Providing and installation of gaseous chlrinton arrangement at the ohr sites for pandua block (from boosting main) under surface water based piped w s schemes for arsenic affected balagarh- pandua blocks, dist- hooghly under electrical divn. phe dte.

Providing and instt of gaseous chlrnton arrangement at the ohr sites for pandua block (from boosting and intermediate pumping station) undr surface water based piped w s schemes for arsenic affected balagarh-pandua blocks dist.hooghly, undr elec divn

Operation and guarding of gaseous chlorination at pradipdanga ohr site of central sector, part-ii surface water based water w/s scheme, under medb, phedte. dist- murshidabad.

Operation and guarding of gaseous chlorination at chaighari ohr site of central sector, part-i surface water based water w/s scheme,under medb, phedte. dist- murshidabad.

Operation and guarding of gaseous chlorination at sashidharpur ohr site of central sector, part-i surface water based water w/s scheme,under medb, phedte. dist- murshidabad.

Operation and guarding of gaseous chlorination at hatinagar ohr site of central sector, part-ii surface water based water w/s scheme,under medb, phedte. dist- murshidabad.

Operation and guarding of gaseous chlorination at daulatabad ohr site of central sector, part-i surface water based water w/s scheme,under medb, phedte. dist- murshidabad.

Operation and guarding of gaseous chlorination at amoipara ohr site of central sector, part-i surface water based water w/s scheme, under medb, phedte. dist- murshidabad.

Operation and guarding of gaseous chlorination at purbanarayanpur ohr site of central sector, part-ii surface water based water w/s scheme, under medb,phedte. dist- murshidabad.

Operation and guarding of gaseous chlorination at begamnagar ohr site of central sector, part-i surface water based water w/s scheme, under medb, phedte. dist- murshidabad.