Revenue rises 26% to ₹19,886 crore in Q2FY27; board approves investment in 1,800 MW pumped storage project in Maharashtra, while renewable capacity reaches 8.6 GW. Tata Power on Wednesday reported 33 per cent year-on-year (Y-o-Y) growth in profit after tax (PAT) at ₹1,652 crore for the second quarter of FY27 from ₹1,245 crore last year. Revenue rose 26 per cent to ₹19,886 crore during the quarter.