This is a Hindu temple also in very active use, and I think it was called the Babulnath Temple. The use of water for worship was the most memorable aspect here.
The cup-like parts in the smaller tower towards the front of the picture are used in specific ceremonies a few times a year. The priests fill the cups with candles or oil lights and they burn through the night. During the rest of the year the priests keep water in the cups, for the birds.
The man is grinding sandlewood to make the paste that decorate the foreheads of the worshipers and with which the faithful mark special places on the idols.