India, Aug. 5 -- Actor Harshvardhan Rane is currently in the midst of filming his upcoming romantic action thriller Silaa, alongside co-stars Sadia Khateeb and Karan Veer Mehra. Directed by Omung Kumar, the film is making news for its bold and breathtaking choice of shooting locations-most notably, Vietnam's Son Doong Cave, the largest cave in the world.

Amid the tight shoot schedule, Harshvardhan has reached a remarkable personal milestone. The Sanam Teri Kasam actor has officially become one of only 100 Indians to have successfully completed the Son Doong Cave Expedition, a challenging and rarely attempted journey through one of nature's grandest spectacles.

Taking to Instagram, Harshvardhan shared glimpses of the incredible adventure...