Bulgaria Address EP-16/17, Chandragupta Marg, New Delhi. Tel : 26115549, 26115551, 24108048 Fax: 26876190. Business 1 Form 1 Photo Covering letter Bulgarian Party to send official Invitation certified by Bulgarian Chamber of Commerce Return Ticket, Exchange Time Taken 4/7 Days Visa section working days - Monday, Tuesday, Wednesday, Thursday.