Shares of West Coast Paper Mills may attract buying interest on a rating upgrade. India Rating and Research Pvt Ltd has upgraded its long-term issuer rating to ‘IND AA-’ from ‘IND A+. The outlook remains stable. It had reported a profit of ₹84.03 crore for the quarter ended June 2018 and revenues of ₹459.68 crore. For fiscal 2018, the company had posted a profit of ₹223.23 crore and revenues of ₹1,733.92 crore. Shareholders will closely follow further developments.