providing of semi-skilled work assistants providing of semi-skilled work assistants for running and maintenance of sites for collection of hydro-metrological data at various hydrological observation sites under chambal division , jaipur , during monsoon 2020 , assistance ( semi-skilled ) in hydro-metrological observation works which includes gauge and discharge observation , rainfall data and metrological data collection , moving and positioning of boat , winch operations , all maintenance works , fixing & installation of gauge post , gauge plate , current meter , cleaning , painting , greasing , recording works , watch & ward of site office etc . as per requirement at various stations . ( period from 01/06/2020 to 31/10/2020 ) , assistance ( semi-skilled ) ( area b ) , assistance ( semi-skilled ) ( area c )