DRILLING, EXCAVATION, LOADING, TRANSPORTATION, DUMPING, SPREADING & LEVELLING ETC., OF 543.853 LBCM OF OB (510.380 LBCM OF OB, 9.561 LBCM of Coal, 23.312 LBCM OF BLACK COTTON SOIL & 0.60 LBCM FOR DIVERSION OF NALLAH) WITH HIRED CONVENTIONAL EQUIPMENT AND ADDITIONAL WORKS VIZ., 4000 DOZER HOURS, 4000 SHOVEL HOURS & 180000 RMT OF DRILLING AT INDARAM OPENCAST PROJECT, SRP AREA DURING A PERIOD OF 36 MONTHS.