The telephone was first invented in 1876 by Alexander Graham Bell.Within seven years of its invention, the telephone exchanges were established in Bombay, Madras and Calcutta. By 1907,the central battery was introduced to replace the earliercranking practice. Automatic telephone came to India in 1914 at Simla. The Indian Telephone Industries (ITI) came into beingin 1948, a year after independence. This film presents evolution of telephones in India.