India, Nov. 11 -- Dulquer Salmaan and Rana Daggubati are busy with promotional interviews of their upcoming film Kaantha, which is touted to be a period film based on a yesteryear superstar. The Selvamani Selvaraj directorial is widely believed to be the biopic of MK Thyagaraja Bhagavathar, the first superstar of Tamil cinema. However, in a recent interview with Galatta Plus, Dulquer and Rana have refused to term the film a biopic.

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Dulquer, who has seen a string of successes with period films such as Sita Ramam and Lucky Baskhar, will be seen as TK Mahadevan in the ...