DRILLING, EXCAVATION, LOADING, TRANSPORTATION, DUMPING, SPREADING & LEVELLING, ETC., OF 573.798 LBCM OF IN-SITU OB (WHICH INCLUDES 1.179 LBCM OF TOP SOIL, 3.279 LBCM OF SUB SOIL, 526.304 LBCM OF HARD OB & 43.036 LBCM OF COAL) AND RE-HANDLING OF 11.385 LCM OF LOOSE OB WITH CONVENTIONAL EQUIPMENT AND ADDITIONAL WORKS VIZ., 2000 SHOVEL HOURS & 1,65,000 RMT OF DRILLING AT JVR OC-II MINE, KGM AREA DURING A PERIOD OF 36 MONTHS.