The public sector Indian Bank on Wednesday reported a 52 per cent jump in net profit at Rs 2,119 crore in the December quarter, on the back of improvements in core income and a reduction in bad loans. The Chennai-based lender had earned a net profit of Rs 1,396 crore in the same quarter a year ago. The operating profit of the bank was almost flat at Rs 4,097 crore as against Rs 4,061 crore in December 2022.