hiring of support services for hydrological observation on various rivers under brahmaputra basin organisation , central water commission , guwahati , lot 1: middle brahmaputra division , guwahati , guwahati d . c . court ( gq ) site , dist . kamrup , assam , goalpara ( gq ) site , dist . goalpara , assam , pagladiya n . t . rd x-ing ( gq ) site , dist . nalbari , assam , puthimari n . h rd . x-ing ( gq ) site , dist . kamrup , assam , matunga ( gq ) site , dist . baksa ( btad ) , assam , d . r . f . ( gq ) site , dist . baksa ( btad ) , assam , suklai ( gq ) site , dist . baksa ( btad ) , assam , panbari ( gq ) site , dist . barpeta , assam , aie nh xing ( gq ) site , dist . barpeta , assam , bahalpur ( gq ) site , dist . kokrajhar , assam , dhubri ( gq ) site , dist . barpeta , assam , mathanguri ( gq ) site , dist . barpeta , assam , manas nh xing ( gdq ) site , dist . barpeta , assam , beki road bridge ( gdq ) site , dist . barpeta , assam , pandu ( gdsq ) site , dist . kamrup , assam , pancharatna ( gdsq ) site , dist . goalpara , assam , dudhnoi ( gdsq ) site , dist . goalpara , assam , sonapur ( gdsq ) site , dist . kamrup , assam , kulsi ( gdsq ) site , dist . kamrup , assam , kokrajhar ( gdsq ) site , dist . dhubri , assam , flood control room , guwahati , dist . kamrup , assam ( quote rates for monsoon season only ) , lot 2: upper brahmaputra division , dibrugarh , motipur ( operate in monsoon ) ( g ) site , dist . namsai , ap , namsai ( g ) site , dist . namsai , ap , nanglamaraghat ( g ) site , dist . sivsagar , assam , kibithu ( gdq ) site , dist . anjao , ap , udaipur ( gdq ) site , dist . tinsukia , assam , tuting ( gdq ) site , dist . upper siang , ap , pasighat ( gdq ) site , dist . east siang , ap , lemeking ( gdq ) site , dist . upper subansiri , ap , ranganadi nt road x-ing ( gdq ) site , dist . lakhimapur , assam , bhalukpong ( gdq ) site , dist . west kameng , ap , chenimari ( gdsq ) site , dist . dibrugarh , assam , sivasagar ( gdsq ) site , dist . sivsagar , assam , golaghat ( gdsq ) site , dist . golaghat , assam , daporizo ( gdsq ) site , dist . upper subansiri , ap , chouldhowaghat ( gdsq ) site , dist . lakhimapur , assam , jagibhakatgaon ( gdsq ) site , dist . morigaon , assam , bhomoraguri ( gdsq ) site , dist . sonitpur , assam , hayuliang ( gq ) site , dist . anjao , ap , tezu ( gq ) site , dist . lohit , ap , dholla bazar ( gq ) site , dist . tinsukia , assam , dibrugarh ( gq ) site , dist . dibrugarh , assam , miao ( gq ) site , dist . chanlang , ap , margherita ( gq ) site , dist . tinsukia , assam , naharkatia ( gq ) site , dist . dibrugarh , assam , dilighat ( gq ) site , dist . dibrugarh , assam , neamatighat ( gq ) site , dist . jorhat , assam , desangpani ( gq ) site , dist . sivsagar , assam , bihubar ( gq ) site , dist . sivsagar , assam , bokajan ( gq ) site , dist . karbianglang , assam , numaligarh ( gq ) site , dist . golaghat , assam , gelabil ( gq ) site , dist . golaghat , assam , kabu basti ( gq ) site , dist . west siang , ap , badatighat ( gq ) site , dist . lakhimapur , assam , yazali ( gq ) site , dist . lower subansiri , ap , kheronighat ( gq ) site , dist . karbi anglong , assam , kampur ( gq ) site , dist . nagaon , assam , dharamtul ( gq ) site , dist . nagaon , assam , tezpur ( gq ) site , dist . sonitpur , assam , seppa ( gq ) site , dist . east kameng , ap , jiabharali nt road x-ing ( gq ) site , dist . sonitpur , assam , flood control room , dibrugarh , assam ( quote rates for monsoon season only ) , gst on all above 62 sites