Original sentence: After graduating as a leader of All India Sikh Students Federation, Bir Devinder Singh was chosen by the Congress to fight election from Sirhind in 1980 which he won with a handsome margin and he was active in the political affairs of the constituency by working to improve the literacy of the state, improve health and sanitation, and to improve the infrastructure of the Sirhind district
Edited sentence: After graduating as a leader of All India Sikh Students Federation, Bir Devinder Singh was roped in by the Congress to fight election from Sirhind in 1980 which he won with a handsome margin and thus opened the Political doors for him to serve the people of Punjab and he excelled in the political affairs of the constituency by working for improving literacy of the state, improving health and sanitation of the people and building the infrastructure of the Sirhind district