Yes this is true. You need a money license (on top of KYC structure and compliance department), which costs A LOT OF money... This is the reason that I said that perhaps the best option is to partner with someone so that the costs drop.
CoinATMradar.com has all companies that provide ATM's I think its best to visit their website.
How much these bitcoin machines will cost. It would be better if you can provide the price comparison for all the machines. Secondly even if the crypto is legal in our country, we can't just put the bitcoin ATM machine anywhere and start the business. Permission from the government and NOC certificate is required before implementing this business.