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Quick Answer: Bulk SMS rates in India in 2026 range from ₹0.10 to ₹0.35 per SMS depending on message type, volume, route quality, and provider. Promotional SMS starts at ₹0.10–₹0.18/SMS. Transactional SMS costs ₹0.15–₹0.28/SMS. OTP SMS ranges from ₹0.15–₹0.35/SMS. DLT charges of ₹0.025/SMS apply to all commercial messages — TechTo Networks includes this in all published rates, with zero hidden fees. Table of Contents Bulk SMS Rates in India 2026 — At a Glance What Determines

One delayed OTP can cost a sale. One failed OTP can lose a customer forever. In 2026, India processes over 186.2 billion SMS messages annually, and a significant portion of those are transactional OTPs powering logins, payment confirmations, and identity verification across fintech, e-commerce, healthcare, and government platforms. With the Indian digital payments market crossing ₹200 lakh crore in UPI transaction value this year alone, the OTP delivery window has become a ma