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Hello,
 
I am looking for the values of the prime meridian for the Everest Ellipsoid
for India in the Lamert conformal conic grid - especially, grid IIa and
IIIA. I would also be grateful if someone could supply me the false Eastings
and Northings ( in yards) for these maps. I am  worlding on 1inch :1 mile
scale for the 1922/1944 series of maps and want to digitise them so as to
convert them to UTM's and then use GPs
 
Sugandha