Bulk sms marketing comes in 3 Categories OTP SMS (Guaranteed Delivery under one minute.), Transactional SMS (Used by banks, ISP, Corporates to deliver invoice confirmations.) and Promotional SMS (Used for marketing, spamming and untargeted offers.). We have all kinds of messages available that can be delivered in India only. You can make sms templates for regular usage, make contact groups and many more features. We charge only if delivery is successful.