Who is SP Tyagi, the Ex-IAF chief arrested in chopper scam?
SP Tyagi, who was arrested by the CBI in the AgustaWestland chopper deal scam, has served as the Indian Air Force Chief from 2004 to 2007. Tyagi had participated in the 1971 war and was awarded Param Vishisht Seva medal in 2003. He has been accused of taking bribes to facilitate the sale of 12 AgustaWestland helicopters to India.