Hey Arpita

According to Siliguri College, Siliguri; you need to have at least 50% in your 10+2 examination of best 4 subjects where in English is mandatory. And if you belong to SC/ST category then a relaxation of 5% would be given on your 10+2 marks. For more information regarding course, follow; Siliguri College (http://siliguricollege.org.in/)