Provision of yellow LED lights in BFL at fog affected area along IBB. (Package-I) Sub Head (i) providing yellow LED lights instead of HPSV light sin existing pole from BP No. 846/7-S to 987/6-R & BP No. 987/6-R to BP No. 1001/M under Gopalpur sector and Cooch Behar sector in the state of West Bengal. (ii) Providing yellow LED lights instead of HPSV lights in existing pole from BP No. 750/13-S 846/7-S under Siliguri sector and Jalpaiguri sector in the state of West Bengal. SH providing service of Data Entry Operator for the office of the Executive Engineer (E), BFED-VI, CPWD, Hakimpara, Siliguri.