Explanation:

Acharya Narendra Deva, known as the patriarch and doyen of Indian socialism, was born on 31 October 1889 in Sitapur, Uttar Pradesh. But his ancestors came to UP from Sialkot.Acharya was politically active in Congress, Congress Socialist Party and Socialist Party-Praja Socialist Party after  Independence. He presided over the formation conference of the Congress Socialist Party held in Anjuman Ismailia Hall of Patna on 17 May 1934 and was also elected the first president of the new outfit. In the socialist movement of India, Dr. Lohia’s ‘Pachmarhi Thesis’ is well known, in the same way Acharya’s ‘Gaya Thesis’ is a masterpiece.