Seljuk Sultan built Observatory for Khayyam

The third Seljuk sultan, and his Persian vizier invited Khayyam to head up his observatory in Esfahan , Khayyam measured the length of the year, getting 365.242198…days. This is correct to within one second: the error is in that last digit only

Author Calculated velocity of light from Maha Bharata,1012AD,Indian Epic,1986

Calculated Velocity[speed] of Light ,

Distance between Sun and Earth from 1012 AD Maha Bharata,

Father of Youngest stamp collector in the World,

Prime Minister RAJIV GANDHI released book on RGVEDIC BHISHMA.