KAM/GRC/SOPD(G)/ 2020-21/35

Amount

Road Works(1) ( 1) Road from Bezera Balikuchi Road to Baredola Village via Sarma Suburi (L= 1.020 Km)

Clearing and grubbing road land including uprooting wild vegetation,grass, bushes, shrubs, saplings and trees of girth upto 300 mm,removal of stumps of such trees cut earlier and disposal unserviceable materials and stacking of serviceable material to beused or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. i By Manual Means (A) In area of non thorny jungle

Construction of embankment with approved material obtained fromborrow pits with a lift upto 1.5 m, transporting to site, spreading,grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 i Private Land cum

Compacting original ground supporting subgrade Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2.

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads,transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000m as per Technical Specification Clause 303.1.

Construction of granular sub-base by providing well graded material,spreading in uniform layers with motor grader on prepared surface,mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (II) For Grading II Material

WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means

Interlocking pavement block i Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 iii 600mm circular

Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 iv 800mm x 600mm rectangular

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

Construction of 1000mm dia HPC (NP-3)

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I Ordinary soil Upto 3 m depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 A With crushed Stone I P.C.C grade M 10 Nominal mix 1:3:6

Bedding of pipe (B) Type B (First Class) Bedding ii Laying (First Class) bedding on well compacted approved granular material as per Clause 1105 (ii)

Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106.1000 mm dia

Brick masonry work in cement mortar in foundation complete excluding pointing and plastering as per drawing and technical specifications Clauses 600, 1202 & 1203

Plastering with cement mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification Clauses 613.4 & 1204

Road Works(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur (L=0.520 Km)

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Clearing and grubbing road land including uprooting wild vegetation,grass, bushes, shrubs, saplings and trees of girth upto 300 mm,removal of stumps of such trees cut earlier and disposal unserviceable materials and stacking of serviceable material to beused or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. i By Manual Means (A) In area of non thorny jungle

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Construction of embankment with approved material obtained fromborrow pits with a lift upto 1.5 m, transporting to site, spreading,grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 i Private Land cum

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Compacting original ground supporting subgrade Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2.

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads,transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000m as per Technical Specification Clause 303.1. (i) Private Land

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Construction of granular sub-base by providing well graded material,spreading in uniform layers with motor grader on prepared surface,mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desireddensity, complete as per Technical Specification Clause 401. (ii) For Grading II Material

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Interlocking pavement block i Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 ii 600mm equilateral triangle

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 iii 600mm circular

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 iv 800mm x 600mm rectangular

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Construction of 1000mm dia HPC (NP-3)

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I Ordinary soil Upto 3 m depth

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 A With crushed Stone I P.C.C grade M 10 Nominal mix 1:3:6

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Bedding of pipe (B) Type B (First Class) Bedding ii Laying (First Class) bedding on well compacted approved granular material as per Clause 1105 (ii)

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106.1000 mm dia

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Brick masonry work in cement mortar in foundation complete excluding pointing and plastering as per drawing and technical specifications Clauses 600, 1202 & 1203

(2) Road from Bezera Balikuchi Road in front of Lalit Deka High School , Singarpara to Patrapur Plastering with cement mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification Clauses 613.4 & 1204

Road Works (3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar ( L=0.670 Km)

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Clearing and grubbing road land including uprooting wild VEGgetation,grass, bushes, shrubs, saplings and trees of girth upto 300 mm,removal of stumps of such trees cut earlier and disposal unserviceable materials and stacking of serviceable material to beused or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. i By Manual Means (A) In area of non thorny jungle

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Construction of embankment with approved material obtained fromborrow pits with a lift upto 1.5 m, transporting to site, spreading,grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 i Private Land cum

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Compacting original ground supporting subgrade Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2.

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads,transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000m as per Technical Specification Clause 303.1. (i) Private Land

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Construction of granular sub-base by providing well graded material,spreading in uniform layers with motor grader on prepared surface,mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desireddensity, complete as per Technical Specification Clause 401. (ii) For Grading II Material

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Interlocking pavement block i Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 ii 600mm equilateral triangle

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 iii 600mm circular

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 iv 800mm x 600mm rectangular

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

((3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar ( L=0.670 Km) Construction of 1000mm dia HPC (NP-3)

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar ( L=0.670 Km) Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I Ordinary soil Upto 3 m depth

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar ( L=0.670 Km) Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 A With crushed Stone I P.C.C grade M 10 Nominal mix 1:3:6

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar ( L=0.670 Km) Bedding of pipe (B) Type B (First Class) Bedding ii Laying (First Class) bedding on well compacted approved granular material as per Clause 1105 (ii)

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar ( L=0.670 Km) Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106.1000 mm dia

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar ( L=0.670 Km) Brick masonry work in cement mortar in foundation complete excluding pointing and plastering as per drawing and technical specifications Clauses 600, 1202 & 1203

(3) road from Malibari High School Chowk to Malibari Padum Pukhuri via Hindumaijali Basudev Namghar ( L=0.670 Km) Plastering with cement mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification Clauses 613.4 & 1204

Road Works (4) Salmara Haldha Road to Titkuhi Village ( Balance Portion)(L=0.20 Km)

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Clearing and grubbing road land including uprooting wild vegetation,grass, bushes, shrubs, saplings and trees of girth upto 300 mm,removal of stumps of such trees cut earlier and disposal unserviceable materials and stacking of serviceable material to beused or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. i By Manual Means (A) In area of non thorny jungle

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Construction of embankment with approved material obtained fromborrow pits with a lift upto 1.5 m, transporting to site, spreading,grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 i Private Land

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Compacting original ground supporting subgrade Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2.

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads,transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000m as per Technical Specification Clause 303.1. (i) Private Land

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Construction of granular sub-base by providing well graded material,spreading in uniform layers with motor grader on prepared surface,mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desireddensity, complete as per Technical Specification Clause 401. (ii) For Grading II Material

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Interlocking pavement block i Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

((4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 ii 600mm equilateral triangle

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 iii 600mm circular

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as perdrawings and Technical Specification Clause 801 iv 800mm x 600mm rectangular

(4) Salmara Haldha Road to Titkuhi Village ( Balance Portion) Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

Build worth Trade Engineers

Dhaneswar Kalita