GNats, Philips Nats and M S Kumar are discussing in the background while Venkat and Ranganathan are posing for the photo; sitting (1) - Airforce Natarajan and (3) Thirugnana Sambandam
(From right) the 'ever-young-at-heart' Ram(achandran), M.S.Srinivasan challenging Ram in youthful looks, Selvaraj and Ammaiyappan (explaining how to design the involute of the centrifugal pump as learnt from Prof. Savanna)