Mumbai, Jan 16 (ANI): Former Lieutenant General Kuldeep Singh Brar, who led the Operation Bluestar in 1984, dismissed allegations that former Britain Prime Minister Margaret Thatcher's Government may have allegedly helped Indira Gandhi plan the attack on Golden Temple, and said that there was no foreign interference or collusion in the raid. Rejecting any possibility of any foreign linkage to the attack, Brar, said that it was an 'unbelievable' allegation. He also said that the attack was entirely planned and executed by the Indian army alone.