New Delhi, June 23 -- Bollywood actor Varun Dhawan is currently busy shooting for 'Border 2' in Pune.

Recently, at the National Defence Academy (NDA), Varun joined real-life army cadets for a spontaneous "knuckle" push-up challenge.

Sharing a video from his meeting with the army cadets, he wrote, "BORDER2

Hamare saare young cadets ke saath knuckle challenge. #bts"

https://www.instagram.com/p/DLPJEFnsxGO/

Earlier, on January 15, Varun took to Instagram and saluted the men in uniform on the 77th Indian Army Day. He shared a couple of pictures from the sets of the film where he spent the day interacting with soldiers."Honouring the real heroes of India this #ArmyDay. Proud to be with them. #Border2 #prep," he captioned the post.

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