New Delhi: Defence Minister Rajnath Singh with former IAF chief Air Chief Marshal V.R. Chaudhari, retd., Group Captain Karan Singh Bhati, retd., and Wing Commander Onkar Singh Sareen, retd., during a memorial lecture on the Marshal of the Indian Air Force (IAF) Arjan Singh, at Air Force Auditorium, Subroto Park, New Delhii, Wednesday, April 23, 2025. (PTI Photo/Manvender Vashist Lav) (PTI04_23_2025_000390B)