ITC quary regarding personal car uses for delivery goods

No. Blocked credit.

Since it is a motor vehicle designed for transportation of persons with seating capacity <=13 persons.

Using it for delivery purposes won't make any difference since it is registered for private use.

No, you cannot take benefit...
As blocked under sec 17(5) (1) , car is design mainly for seating it's does effect whether it is use for goods or passengers...
it's come within limit of less than 13 so you cannot take ITC

No...

ITC on Motor Vehicles is specifically BLOCKED under Section 17(5) clause (a) of the CGST Act 2017. Moreover, as per clause (g) of sub section (5) of Section 17 of the CGST Act 2017, ITC on Personal Goods or Services is ineligible.

Hence you cannot claim ITC on your Hyundai Creta Car since it is not a commercial vehicle. It is registered for Personal use.

It's blocked u/s 17(5) of CGST Act, 2017. Can not claim ITC on Car, whether its used for personal purpose or business purposes..