Lahiri, currently placed 81 in the world rankings, will be India's sole representative at the 143rd Open Championship, scheduled to be played at Royal Liverpool, Hoylake from July 17-20.
This will be Lahiri's second Major appearance. The four-time winner on the Asian Tour made a memorable debut Major appearance at the 2012 British Open where he finished tied 31st and also made a hole-in-one.
Lahiri has enjoyed one of his best seasons in 2014. He won his first event outside India at the CIMB Niaga Indonesian Masters in April and also played a key role in Team Asia's strong comeback that helped them achieve a draw against Team Europe at the inaugural EurAsia Cup.
Lahiri, who recently tied the knot, was caught by surprise when the R&A announced that he was amongst those who will tee up at Royal Liverpool.
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"I am two days into my 10-day honeymoon. In the middle of a tropical rainforest in Madagascar and trying to get back to India now as soon as possible. Total chaos. Will have to make it up to the wife big time. Super excited," said Lahiri.
Lahiri now becomes the fourth Indian after Jeev Milkha Singh, Jyoti Randhawa and Shiv Kapur to make his second appearance at the British Open.
He will be the second Indian to compete at a Major this year. Shiv Kapur played at the US Open last month and achieved the best-ever result for India at the event with his tied 23rd finish.