The OTP SMS service provider in India plays an important role in the banking sector. The banking sector is all about dealing with money. It is very important to digitize the entire process. And in order to digitize the entire process you need to implement enough security measures and this is the reason OTP is used. The OTP bolster the security so that no one can intrude on the money transaction process. The article is going to discuss the importance of bulk SMS in the banking sector.