In Uttar Pradesh there are 56 authorized slaughterhouses located both in and around the city. Most of them have poor hygienic standards, despite the meat processing industry being worth billions of rupees in India. Poor hygienic, in turn, poses huge public health and environmental change due to indiscriminate waste disposal and highly polluted effluent discharge.

Radiogenic isotopes (3H and 14C) and stable isotope (18O) together with TDS, EC and salinity of water were used to discriminate qualitative and quantitative groundwater age, probable recharge time, flow respectively in groundwater of Challaghatta valley, Bangalore.