Mumbai, Oct 23: Tata Power (TPC) has posted a 26.57 per cent rise in net profit at Rs 170.81 crore for the second quarter ended September 30, 2003, compared to Rs 134.95 crore reported in same period previous fiscal. Total income in the period under review, however, declined to Rs 1,111.46 crore from Rs 1,258.6 crore in Q2 of 2002-03, the company informed the Bombay Stock Exchange on Thursday. Bureau Report