Mukesh Ambani-led Reliance Industrial Infrastructure Ltd reported a nearly 27 jump in net profit to Rs 6.47 crore for the first quarter ended June 30. The company had a net profit of Rs 5.10 crore in the corresponding quarter last fiscal,Reliance Industrial Infrastructure Ltd said in a filing to the Bombay Stock Exchange. The company,however,reported a decline of 8.79 per cent in total income for the quarter at Rs 12.45 crore,against Rs 13.65 crore in the year-ago period. The Reliance Industries Ltd group company is mainly engaged in infrastructure activity.