Kangana has been training at Yogesh Bhateja's studio, and has lost about 5 kg in just 10 days, according to a source close to her.
Bhateja said in a statement: "Kangana was supposed to gain weight for 'Panga', so the calorie structure we followed was higher. So, all of a sudden it was not easy for any person to switch from a high-calorie diet to a calorie-deficit diet.
"Kangana worked out twice a day after an intense shoot for 'Panga' for 10-11 hours everyday."
"Panga", helmed by Ashwiny Iyer Tiwari, is about the life of a kabaddi player.
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