Modi wished Manmohan Singh through his twitter account and tweeted, "Best wishes and warm greetings to Manmohan Singh Ji on his birthday. May he be blessed with a long life and good health".

Manmohan Singh was born in 1932 at Gah village of Jhelum district which is now in Pakistan's Punjab province.

Narendra Modi is on a five day US trip to strengthen ties and improve bilateral relations between the two countries.

Modi gets into Washington for his first meeting with President Barack Obama only on Monday after an address to the UN general assembly on Saturday.

He will be given a rock star-like reception by the Indian-American community at Madison Garden in midtown Manhattan on Sunday.

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