How India VIX settled on Tuesday?

If we have open position in India VIX , than what will be the settlement price ? Future last rate ? Spot Last rate ? Spot last 30 Minutes average rate ?

The daily settlement price of India VIX futures shall be the weighted average price for last 30
minutes of the respective futures contract. If the contract does not trade, then theoretical futures
price shall be used for computation.

See point 16 and 17 in the following link