Watch: Sanjay Dutt back to working on 6 pack abs

Sanjay Dutt, who is gearing up for his big Bollywood comeback, is leaving no stone unturned to make sure it is a memorable one. The actor has been hitting the gym hard to get into a leaner, meaner, and fitter avatar.

Sanjay, who once weighed nearly 100 kgs, lost all the extra pound by working out in jail. The actor shocked fans in 2015 when he returned home flaunting washboard abs. Sanju, who worked on his body, day-in and day-out, in jail had lost about 18 kilos.

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Looks like Sanjay is back to the grind after a long month’s rest of eating, and party hard with his friends from the industry. The actor took to his social networking handle to share a video of his rigorous core workout. At age 56, the star is still able to complete sets of upper body exercises.

Sanjay, who walked free from the Yerwada jail in February, has always taken his workouts very seriously. In a pervious interview he had joked that if people wanted to lose weight, they should take a trip to jail.