This book has a list of maps that would fit your criterion the best. (http://www.cambridge.org/us/catalogue/catalogue.asp?isbn=0521824443&ss=fro) Maybe you could find it in a library or something.
This has some maps but no extensive geographical detail. still, might be worth a look, as I have no idea what you are currently looking at. :) (http://orbat.com/site/maps/india/map_list.html)
This Wiki map (http://upload.wikimedia.org/wikipedia/commons/8/87/India1760_1905.jpg) is not too bad.
This (http://lcweb2.loc.gov/cgi-bin/map_item.pl) will let you zoom in and check more details.
If I find anything else, I'll leave another comment. But I do need get some work done now. :)
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This has some maps but no extensive geographical detail. still, might be worth a look, as I have no idea what you are currently looking at. :) (http://orbat.com/site/maps/india/map_list.html)
This Wiki map (http://upload.wikimedia.org/wikipedia/commons/8/87/India1760_1905.jpg) is not too bad.
This (http://lcweb2.loc.gov/cgi-bin/map_item.pl) will let you zoom in and check more details.
If I find anything else, I'll leave another comment. But I do need get some work done now. :)