Lahiri (65-68-66-73-75-72) carded an even-par-72 in the sixth and final round of the event yesterday to claim tied 16th place at nine-under-419.
Mikko Korhonen of Finland won the event with a 20-under-408 total.
The top-25 and ties were slated to seal their cards for the 2015 Race to Dubai at the end of the six-day event. As three players were tied on 25th after six rounds, a total of 27 players qualified for the 2015 European Tour season.
The European Tour berth is the icing on the cake for Lahiri who has scaled new heights in 2014. The 27-year-old from Bangalore already has two titles under his belt on the Asian Tour this year and is currently ranked second on the Asian Tour Order of Merit.
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Lahiri, along with Gaganjeet Bhullar, was also part of the Asian Team at the inaugural EurAsia Cup held in March this year. The Indian duo played a key role in helping Team Asia draw level against a star-studded European team on the final day of the event as the two teams shared the trophy.
The 2006 Asian Games silver medallist, who now has 16 professional titles to his name, was bestowed with the Arjuna Award, the country's second-highest sporting honour, in August this year. He also played two Majors this year, the British Open and the PGA Championship.
Besides Kapur, the other Indians who have had European Tour cards in the past include Jeev Milkha Singh, Jyoti Randhawa, Arjun Atwal, SSP Chowrasia and Gaganjeet Bhullar.