General Reports Confidential Supplements Confidential Supplements to the Survey of India General Reports. Click to download. 1925 Survey of India Reports Confidential Supplement 1924-25 (incomplete) s.pdf (394.0 KiB) 1925 Survey of India--Confidential Supplement to the General Report 1923-24 (incomplete) s.pdf (441.4 KiB) 1926 Survey of India Reports Confidential Supplement 1925-26 (incomplete) s.pdf (591.8 KiB)