GST rate and HSN code of rudraksh mala

No HSN code for Pujan samagri (Any Chapter) :

Following items are exempted from tax, meaning no tax will be charged on these items. Rudraksha, rudraksha mala, tulsi kanthi mala, panchgavya (mixture of cowdung, desi ghee, milk and curd); Sacred thread (commonly known as yagnopavit); Wooden khadau; Panchamrit, Vibhuti sold by religious institutions, Unbranded honey Wick for diya. Roli Kalava (Raksha sutra) Chandan tika

Refer: list-goods-exempted-under-gst-nil-rate/