These are the Geodetic and Technical Reports. Click to download.
1933 Survey of India Geodetic Report s Size: 8.4M
1934 Survey of India Geodetic Report s Size: 18M
1935 Survey of India Geodetic Report s Size: 14M
1936 Survey of India Geodetic Report s Size: 14M
1937 Survey of India Geodetic Report s Size: 15M
1938 Survey of India Geodetic Report s Size: 8.9M
1939 Survey of India Geodetic Report s Size: 9.6M
1940 Survey of India Geodetic Report s Size: 7.5M