The geography of India may conveniently be divided into a few distinct section, each broadly, named after the prevailing religious and political character of the period which it embraces as the Brahmanical, the Buddhist and the Muhammedan. Cunningham`s `Ancient Geography of India` is according to his own statement, the geography of the Buddhist period including the campaigns of Alexander and the travels of Yuan Chwang. The author had only one goal before him that, of telling the world the truth about India`s glorious past. The deep, dark veil that enveloped under it the whole of India of pre-muslim times, had to be removed, and removed permanently.