Sambhar Lake in Rajasthan is used for _______.

The correct option is D producing salt.

Sambhar Lake in Rajasthan is used for Producing salt.

Sambhar Salt Lake is India's largest saline lake and is the source of most of Rajasthan's salt production. It produces 196,000 tonnes of clean salt every year, which is around 9% of India's salt production. Salt is produced by evaporation of brine and is mostly managed by Sambhar Salts Ltd.(SSL), a joint venture of the Hindustan Salts Ltd. and the state government. SSL owns 3% of the eastern lake.