In a major reach-out to the main Opposition, the prime minister invited Gandhi and Singh over tea at his Race Course Road residence around 7 pm.
Sources said the Congress Parliamentary Party authorised Gandhi to pick the party's leader in Lok Sabha.
The Congress Working Committee finally accepted Rahul Gandhi's resignation during its second meeting of the day.
'In Hindu society, marriage is not between a man and a woman, but between their castes; politicians do not ask for human votes, but for caste votes....' 'Have you heard of such nonsense anywhere else in the world? And we claim we are civilised!' 'One or two or a few people becoming President, Prime Minister, Chief Minister, Speaker etc from the downtrodden do not mean that the untouchables are uplifted and caste-based slavery is over.'