Mumbai: In the newly released trailer for “Border 2,” Sunny Deol takes on the role of Lt Col Fateh Singh Kaler of the 6 Sikh Regiment. The character is inspired by real-life 1971 war hero Major General Hardev Singh Kaler. The sequel also stars Varun Dhawan, Diljit Dosanjh, and Ahan Shetty, showcasing joint military operations.