Do we need BMC permission for rainwater harvesting ringwell


We are a housing society in Mumbai. We have obtained permission for borewell and drilled the borewell and have dug the ringwell pit around the borewell. So this will be for borewell recharge. We have dug another ringwell, this will be for groundwater recharge. We want to know if any permission from BMC is required for ringwell. Since, ringwells are ready, can we apply to BMC for confirmation or there is no need? Can BMC take any steps against managing committee for these ringwells? Please guide, our intention is good but we don't want hassles.

Thanks Rajesh