Recharge to stem arsenic
Ground water resources in south Kolkata will have to be recharged to limit their depletion and stem the threat of arsenic contamination. Mr Nandagopal Bhattacharya, the minister for water
Ground water resources in south Kolkata will have to be recharged to limit their depletion and stem the threat of arsenic contamination. Mr Nandagopal Bhattacharya, the minister for water