India, Dec. 7 -- Tejbir Raparia, a Gurgaon-based businessman, was 45 years old when he bought a flat in Unitech Vista, Sector 70, Gurgaon, in 2012. Given that the project was launched in FY10 and was scheduled to be delivered by 2013, Raparia didn't mind waiting. But with the project still incomplete seven years later, Raparia, now 52, is more realistic. Instead of waiting for the builder to act, he has joined a group of buyers in the project who have decided to take matters in their own hands....