Shakti English Strength is a 1982 Bollywood film directed by Ramesh Sippy and starring Dilip Kumar, Amitabh Bachchan, Raakhee, Smita Patil and Amrish Puri with Anil Kapoor in a special appearance. It was written by the famous writing duo SalimJaved and produced by MushirRiaz. Shakti was notable for being the first and only film to feature veteran actors Dilip Kumar and Amitabh Bachchan together on screen. Considered to be one of the greatest films in the history of Indian cinema, it went on to win several Filmfare awards among which were Best Film and Best Actor which was awarded to Dilip Kumar.The movie had a similar storyline as that of the 1974 Tamil movie Thanga Pathakkam.
Retired Commissioner Ashwini Kumar Dilip Kumar is on a railway station to receive his teenage grandson Ravi Anil Kapoor. On being asked by his grandfather about his future plans, Ravi promptly replies that he wants to become a police officer and serve his country, just like his grandfather. Kumar tells him that the journey of a police personal life is fraught with many challenges and so he must reconsider his decision. Kumar starts by explaining his own story.Kumar goes in flashback, back to the days when he was an Inspector. Kumar had a happy family consisting, him his wife Sheetal Raakhee and son Vijay. Ashwini takes cudgels against a dreaded gangster named J.K. Verma Amrish Puri. He arrests a key henchman of J.K. and is about to challenge J.K.s supremacy. J.K. takes the matters into his own hands and abducts Vijay. ........
Source: Wikipedia