PROVN OF 02 X SOLAR WATER HEATING SYSTEMS OF 500 LTR CAPACITY FOR JCO & OR MESS WITH WATER PIPELINE AND OTHER FITMENT AT GANESHBARI, COVERED SHED FOR PARKING OF LT VEHS OF 5 MADRAS AT DIBRUGARH, 01 X TOILET BLOCK NEAR BLDG NO T-5/8A AT GANESHBARI, 01 X TO