Mumbai, March 12 (IANS): For actor Aamir Khan, preparations are on in full swing for his next film "Dangal". He is busy learning how to wrestle and how to speak Haryanvi, for his role.

"I am learning wrestling and Haryanvi language for the film ('Dangal') and this preparation will continue for some months. Then we will start shooting for the film," Aamir told reporters here on Wednesday at the DVD launch of his film "PK".

Aamir has started preparing for the film, but it is yet to go on the floors.

"We are still doing the prep on it. I think in the next few months, it will go on the floors. We have not locked the date yet. Casting is being done," said the 49-year-old, who now weighs 90 kg.

In "Dangal", Aamir's role is said to be inspired by wrestler Mahavir Phogat.

Talking about his diet for the film, Aamir, who has recently turned vegetarian for his role in the film, said: "At this time I can eat anything. I eat whatever I like. I have turned vegetarian now, so I'm not taking non-vegetarian and also eggs.

"Except these two things, I am eating everything and that too in huge quantity."