New Delhi, April 24 -- Leader of opposition in the Lok Sabha and Congress leader Rahul Gandhi is likely to visit Great Nicobar this weekend, people aware of the matter said. He was invited by the Tribal Council of Great Nicobar recently to discuss concerns of the Great Nicobarese tribal community over infrastructure projects coming up on the island. Gandhi is likely to visit Kolkata on Friday and then fly to Port Blair on Saturday, before travelling by helicopter to Great Nicobar, according to those aware of the matter. Captains of the Tribal Council said they had invited Gandhi to discuss concerns about diversion of tribal land. "Our main concern is diversion of tribal land and land from our pre-Tsunami villages. From what we gather, at le...