Reports of Regional Census in National Archives of India

• Bengal 1881
• Bihar & Orissa 1911-1971
• Assam 1881-1971
• Ajmer/ Rajputana/ Rajasthan 1881-1971
• Delhi 1931, 1951, 1961, 1971, 1981
• Gujarat1961-1971
• Haryana 1971
• Bombay 1971-1971
• Andhra Pradesh 1901-1961
• Kerala 1961-1971
• Himachal Pradesh 1961-1971
• Madras 1871-1971
• Jammu & Kashmir 1901,1911,1921, 1931,1961, 1971
• Mysore 1881-1971
• Kerala 1961-1971
• Hyderabad 1901-1951
• Travancore  1891-1951
• C.P.\ M.P. 1881-1971
• U.P., Agra,and Awadh 1865