24/09/2015
Largest manmade lake was constructed in 1010 A.D. in the shape of Om ॐ and it was spread upto Bhojpur, Gauharganj and Mandideep.
The water area of the ancient Upper Lake ॐ Bhojtal was 421.9 square km while the existing Upper Lake is only 32 square km.
~ WALMI, Nov.2005.
http://astrologyforyou.tripod.com/POLITICS/index.blog?start=1131848141