Rahul arrived here in the holy city late on Friday night.
After arriving here, Rahul, accompanied by Chief Minister Amarinder Singh, paid a visit to Golden Temple complex where he offered prayers at the Akal Takht, the highest temporal seat of Sikh religion.
April 13 (Saturday) marks the 100th anniversary of the massacre, in which British forces led by Brigadier General Reginald Dyer opened fire on hundreds of unarmed, innocent Indians, including women and children, who were protesting peacefully against the oppressive Rowlatt Act of the British government.
The massacre, on April 13, 1919, is one of the darkest chapters of India's freedom struggle against the British occupation.
The British government, even after 100 years, has only regretted the massacre but stopped short of apologising for the killing of so many innocent people.
Rejecting the regret expressed by British Prime Minister Theresa May as "inadequate", Chief Minister Amarinder Singh on Friday demanded "an unequivocal official apology from Britain" for the Jallianwala Bagh massacre.
Terming the tragic event "a heart-wrenching moment in India's history", Amarinder said that the people of India wanted an unequivocal apology from Britain for the atrocity.
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