Inth Ka Jawab Patthar 2002 on netflix

As a child Devendra has a traumatic experience when he witnesses his dad and mom being killed by Bhujang Keshav alias BK. Devendra runs for his life, and meets up with a kind man, who lives with his daughter, Pinky, and runs a construction company, who agrees to look after him. Years later, Devendra has grown up and after his foster parents have passed away, has taken charge of the business.