During the call Mugilan reportedly told Sridhar about threats he had received from police and Sterlite officials.

WhereIsMugilan? This has been the question on the minds of activists, family, friends and scores of people over the past month. On Friday, Twitter was flooded with questions from people questioning the government and police on the mysterious disappearance of the activist who was last seen in Chennai on February 15.

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Raising suspicions about his mysterious disappearance, a complaint was filed but no action was taken. Later, advocate Henri Tiphagne filed a habeas corpus petition before the Madras High Court, which issued notices to the Chennai police commissioner and superintendents of police of Kancheepuram and Villupuram.