27 cultural and religious items from Uttarakhand are offered in the online auction.
Items include temple replicas, photographs of Char Dham pilgrimage sites, traditional art, and a signed badminton racket.
All proceeds go to the River Ganga rejuvenation programme.
The auction has been extended and ends on 31 May.
The collection has temple models, photos of the four sacred shrines, a clock with traditional Aipan art, and a badminton racket signed by athlete Lakshya Sen.
Money raised from this online auction will support the River Ganga cleaning and protection program.
The auction runs online until the 31st of this month.
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