Amitabh Bachchan-starrer hit 1975 movie ‘Deewar’ completed 40-years today and Big B took this opportunity to thank its scriptwriters — Salim Khan and Javed Akhtar — for coming up with a "perfect script".

Bachchan, 72, emerged as the ‘angry young man’ of Bollywood after the film, which told the story of two brothers, who get thrown opposite each other by fate.

"40 years! 40 years ago, this day, Deewar was released! 21st Jan 1975.. Thank you Salim-Javed Saheb for the most perfect script," Bachchan tweeted.

The film was directed by Yash Chopra, who later became famous as the ‘king of romance. Shashi Kapoor, Parveen Babi and Neetu Kapoor also starred in the movie.

The film is known for its memorable dialogues like ‘Mere Pass maa hai’, ‘Uff tumhare usool, tumhare adarsh’ among others.

Bachchan will be next seen in ‘Shamitabh’, ‘Piku’ and ‘Wazir’.