The event passed off peacefully.
To mark the occasion, bricks for a controversial memorial for those who were killed in the operation by security forces were laid by the five Sikh head priests along with Jatehedar Akal Takht Gyani Gurbachan Singh and SGPC President Avtar Singh Makkar.
Punjab Deputy Chief Minister Sukhbir Singh Badal distanced himself and the state government from construction of the Operation Blue Star' memorial in Amritsar by radical Sikhs while Congress warned him against "playing with peace" in the state.
The Operation Blue Star was launched by the army on this day in 1984 to flush out holed-up Sikh militants led by their leader Jarnail Singh Bhindrawale who was killed along with his associates in the Golden Temple.
The family members of Bhindrawale were also honoured by Jatehdar Akal Takht.
SGPC and Jatehdar Akal Takht conferred the title of