Karate (1983)

"Karate" is a 1983 movie directed by Deb Mukherjee and starring by Deb Mukherjee, Mithun Chakraborty. A scientist creates a diamond that can focus sun-rays to burn through anything. The villain, in a bid to get the diamond, kills the scientist. The scientist's karate-learning sons, Desh and Vijay, are separated from each other and their mother. Vjay grows up with his karate instructor while Desh is reared by a gypsy camp.