52-year-old Manjit Singh Saini, based in California alleged that he saw the actor shouting anti-Sikh slogans and pointing towards a Sikh in a crowd at the All India Institute of Medical Sciences, New Delhi on October 31, 1984.
Similar allegations were levelled against Big B after Jagdish Kaur and Babu Singh Dukhiya, witnesses of the 1984 anti-Sikh riots approached Akal Takht on the grounds that they saw the star shouting "khoon ka badla khoon sae laengae" on television channel, Doordarshan.
Claiming innocence, Bachchan on Dec 1 had written a letter to Akal Takht, Giani Gurbachan Singh that he had no role to play in the '84 Sikh riots.
Karnail Singh Peermohammad, President, All India Sikh Students Federation said that Manjit Singh Saini had informed him of the actor's role in instigating the riots.
He had approached Gurpatwant Singh Pannun, Legal Advisor, Sikhs For Justice organization alleging that he was present at the moment when superstar Amitabh Bachchan was raising anti-Sikh slogans at AIIMS in Delhi. He had also approached Ved Marwah, the then officer of Delhi police, who was probing the mater of the November 1984 killing of Sikhs. He blamed the officer for failing to take action against Bachchan.
A criminal complaint was lodged against megastar Amitabh Bachchan by a US-based Sikh human rights group for his alleged role in stirring up and abetting the 1984 Sikh riots in Australia.