KATHMANDU, JUNE 26 The price of gold increased by Rs 800 per tola in the domestic market on Friday, while silver prices declined, according to the Federation of Nepal Gold and Silver Dealers' Association. Fine gold is being traded at Rs 279,100 per tola, up from Rs 278,300 per tola on Thursday. Meanwhile, the price of silver fell by Rs 55 per tola to Rs 4,180 per tola, down from Rs 4,235 per tola a day earlier.