HDFC PayZapp cards will given automatically for any bank credit or debit card holder when they add money in PayZapp mobile app (if you have not PayZapp mobile app yet, download it from << HERE >>). Money added to PayZapp mobile app will goes to PayZapp wallet that is called PayZapp card in HDFC terms. It can be used to recharge shop and pay bill online.
Yes you can get it just add money from other bank debit/credit card. So you can get it if you are not a HDFC debit/credit card holder.
Make habit to save solid money on your daily needs