DRILLING, EXCAVATION, LOADING, TRANSPORTATION, DUMPING, SPREADING & LEVELLING ETC., OF 491.280 LBCM OF IN-SITU OB (WHICH INCLUDES 9.109 LBCM OF TOP SOIL, 465.654 LBCM OF HARD OB & 16.517 LBCM OF COAL) AND 4.538 LBCM OF OB FOR DIVERSION OF NALLAH WITH CONVENTIONAL EQUIPMENT AND ADDITIONAL WORKS VIZ., 1000 SHOVEL HOURS, 1000 DOZER HOURS & 1,50,000 RMT OF DRILLING AT SRP OC-II EXPANSION PROJECT, SRIRAMPUR AREA DURING A PERIOD OF 48 MONTHS.