Diesel rate changed recently. The new prices which includes international crude oil prices,INR-USD exchange rate and state levies, will come into effective from 14-12-2017 at 6 AM.
Similar fuel price revision seen in other State-owned fuel retailers Bharat Petroleum Corporation (BPCL), Hindustan Petroleum Corporation (HPCL), Essar oil and Shell India. you can check revised petrol and diesel price from other fuel retailer here.
Diesel price after recent revision, a liter of Diesel will cost Rs 62.44 per litre in Theni Tamil Nadu at HP.