Tata Power shares dropped nearly 9 per cent on the back of a weak Q4 earnings report. Tata Power on Friday said its March quarter consolidated net profit came in at Rs 632.37 crore, up 31.41 per cent from Rs 481.21 crore in the same quarter last year. The company said its revenue from operations stood at Rs 11,959.96 crore, rising 15.41 per cent from Rs 10,362.60 crore from the corresponding quarter year ago. The Board also recommended a dividend of Rs 1.75 per equity share.