Before Brahm-TheSupreme God Lord Shri Krishna manifested this Sansar-the material world, He was alone.
At the time of creation, Shri Krishna opened His eyes and manifested Himself in the form of Karnarnavshayee MahaVishnu. MahaVishnu looked at Maya-cosmic power and the dormant Maya started bustling with activity. Then, MahaVishnu created innumerable