Stream Pramani Online Free – Watch Full Movie from Home at 123Movies. . Mammootty in 'Pramaani' plays Viswanatha Panicker, the corrupt president of a grama panchayat. Panicker is a self-made man who has become immensely wealthy through corruption. He is called 'Pramani' because he has in his custody several documents; the Pramaanams as they call it.