Checkout currency of both countries you will notice that out currency is powerful than thai. So don't worry it will cost you less than other countries such like bhutan nd nepal.
Hi Suma, you must carry sufficient funding (at least 10,000 Baht per person or 20,000 Baht per family) and provide proof of accommodation in Thailand and your return ticket.
Hello, it's amazing that you're planning your trip to Thailand. Well, we didn't face such question or problem about showing up the currency or anything but by the rules you'll have to carry 10,000 Baht per person or 20,000 Baht for a family. Though that's not necessary always, since you can tell them that you've got a Card and you're going to use that for most of the time.