In the pooja room do not place pictures of Gods along with pictures of departed souls like grandfathers, great grandfathers etc. You can place them in the pooja room on a different side. For eg., if Gods are placed facing east you can place the pictures of the deceased facing south or north etc., If you worship this way then the blessings you will receive will be several fold.
One should worship Lord Narayanan by lighting lamps with Gingelly Oil.
Sita is one of the principal characters of the "Ramayana", the Hindu epic named after her husband Rama.
Sita was a foundling, discovered in a furrow in a ploughed field...