India, Sept. 16 -- Indian equity benchmarks trimmed their gains in late morning session, with both Sensex and Nifty trading near their neutral lines in green terrain. Gains got trimmed, as domestic sentiments were negative, as contracting for the sixth straight month, India's exports slipped 12.66 per cent to $22.7 billion in August, on account of decline in the shipments of petroleum, leather, engineering goods and gems and jewellery items. The country's imports too declined 26 per cent to $29.47 billion in August, leaving a trade deficit of $6.77 billion, compared to a shortfall of $ 13.86 billion in the same month last year.On the global front, Asian markets were trading mostly higher, as Japan had a merchandise trade surplus of 248.299 ...