The units of Kesar Petroproducts situated at D-7/1, D-21, D-22, D-23, MIDC, Lote Parshuram, Ratnagiri, Maharashtra, will remain closed from October 8 to November7 for boiler inspection and annual maintenance of the plant, the company said in a disclosure to the bourses. The units had contributed ₹177.81 crore (100 per cent) to the turnover and ₹30.55 crore (100 per cent), being the net profit for the year to the net worth of the company during the financial year ended March 31, 2018, it added. Shares of Kesar Petroproducts slumped 16.22 per cent at ₹10.54 on the BSE.