India, Oct. 29 -- H ad it not been for the alertness of DTC bus driver Kuldeep Singh and bus conductor Buddh Prakash, many other lives could have been lost on October 29, 2005. As Singh drove through the lanes of Delhi with at least 80 passengers on board, Prakash raised an alarm about a suspicious bag under a seat. Singh stopped the bus and asked all passengers to deboard. "There was a bag with red, yellow and green wires and a ticking sound - like the kind of bombs you see in Hindi films," Singh recalled. Even 20 years on, Singh doesn't know what led him to pick up the ticking bomb, step out of the bus and place it under a tree. As he was walking back, it exploded. His quick thinking saved dozens of lives - but left him blind forever. Aft...