The 21-year-old from Delhi, who has won twice on the PGTI Domestic Tour this season, carded 2-under 69 in the final round to finish at 8-under 276.
Also finishing in Top-10 was M Dharma, who shot 1-over 72 on the final day and finished at 7-under 277.
The 26-year-old Thailand-based Kokocinski, a regular on the Asian Development Tour where he leads the current Order of Merit, overturned a 3-shot deficit after returning with his best efforts of the week to cap a winning total of 14-under-par 270 at the Kurmitola Golf Club.
He wins USD 54,000.
Overnight leader Jack Harrison of England endured two closing bogeys for a 71, settling for a share of second place with fellow Qualifying School graduate Ben Campbell of New Zealand, who carded a 69.
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