National atlas of India : abridged edition (English) /
National Atlas & Thematic Mapping Organisation (India)
Nag, Prithvish.
Kolkata : National Atlas & Thematic Mapping Organisation, Dept. of Science & Technology, Government of India,
2002.
Scales of maps 1:6,000,000 and 1:12,000,000 and 1:600,000.