A Mumbai court today pardoned Pakistani-American LeT operative David Headley, who had surveyed targets for the 26/11 attacks, and made him an approver in the case, a move that may unravel the conspiracy behind the brazen terror assault. A Rs 98,000-crore deal to build a bullet train network is among a number of agreements likely to be signed during Japanese Prime Minister Shinzo Abe's three- day visit beginning from today during which he will hold annual summit talks with his Indian counterpart Narendra Modi.