Question: Who play the role of krishna in mahabharat?

Disambiguated questions and answers:
context: According to production team member Kishore Malhotra, the total cost of producing the series was . Nitish Bharadwaj was chosen by B R Chopra, Ravi Chopra, (screenplay writer) Pandit Narendra Sharma and (dialogue writer) Rahi Masoom Raza, to play the central role of Krishna, at the age of 23. Firoz Khan was chosen to portray the character of Arjuna (which he later adopted as his screen name, to not become confused with a more popular actor of the same name) despite being rejected in auditions. Praveen Kumar was selected to portray Bhima after Chopra was looking for someone "who could look the robust mythological character". Around six actors were shortlisted for the role of Draupadi, including Juhi Chawla, who opted out of the show as she had bagged a film. Ramya Krishnan and Roopa Ganguly were the final names, and at last Roopa Ganguly was chosen, as her Hindi was good. Govinda (actor) and Chunky Pandey were signed for the role of Abhimanyu, but they opted out when they bagged films. Later, Master Mayur played the role. Raj Babbar and Debashree Roy were the only two star actors of that time, who agreed to be parts of this venture.
question: Who play the role of krishna in the 1988 mahabharat tv series?
short_answers: Nitish Bharadwaj
Bharadwaj
wikipage: Mahabharat (1988 TV series)
context: No context provided
question: Who play the role of adult krishna in the 2013 mahabharat tv series?
short_answers: Jain
Saurabh Raj Jain
context: No context provided
question: Who play the role of young krishna in the 2013 mahabharat tv series?
short_answers: Kunwar Vikram Soni
context: Amitabh Bachchan lent his baritone voice and sombre expressions to Bheeshma Pitamah, which coincidentally is the first time he dubbed for an animated character in his 44-year film career since 1969. Anil Kapoor took 15 days to complete his work while Manoj Bajpayee finished the dubbing for his character in just four days in Future Works Studio in Andheri, Mumbai. The trailer of the film was unveiled on 16 November 2013. Besides the launch of the trailer there were three audiovisuals that introduced the animated characters of Balan, Kapoor and Devgn. Jackie Shroff lent his voice for Duryodhan. Lord Krishna's voice is dubbed by Shatrughan Sinha. None of the A-listers charged any remuneration for lending their voices to the characters in the film. Film producers gave Shatrughan Sinha an option to choose any of the roles to lend his voice to. Sinha selected the role of Krishna. "Mahabharat" has an insurance cover of Rs 50 crore,thus becoming the highest insured Bollywood production film, beating "My Name Is Khan" (2010), which was insured for Rs 46 crore.
question: Who play the role of kirshna in the 2013 mahabharat animated film?
short_answers: Shatrughan Prasad Sinha
Shatrughan Sinha
Sinha
wikipage: Mahabharat (2013 film)

Long-form answers:
knowledge: content: Initially, Nitish Bharadwaj was chosen for playing Vidur.
wikipage: Mahabharat (1988 TV series)
content: Film producers gave Shatrughan Sinha an option to choose any of the roles to lend his voice to. 
wikipage: Mahabharat (2013 film)
long_answer: In the 1988 Indian TV show "Mahabharat", the role of Krishna was played by Nitish Bharadwaj, who was initially chosen to play Vidur. In the compute animated 2013 movie "Mahabharat", Krishna was played by Shatrughan Prasad Sinha after he was given an choice of what role to play by producers. For the 2013 TV show, young Krishna was played by Kunwar Vikram Soni while adult Krishna was played by Saurabh Raj Jain.