India and the US appear to have reached a plateau in negotiations for a trade agreement, Finance Minister Nirmala Sitharaman said, indicating that further concessions from either side could prove difficult after what she described as a hard and very rigorously negotiated agreement. “The agreements, negotiations are still ongoing, although we like to believe that both sides have reached a plateau, beyond which giving or taking might be very, very difficult,” Sitharaman said in a discussion at the Munich Leaders Meeting in New Delhi.