OTP full form is One Time Password. OTP ek temporary, unique password hota hai jo sirf ek baar use kiya ja sakta hai aur thodi der mein expire ho jaata hai — usually 5 se 10 minutes mein.
Quick Answer: OTP = One Time Password
OTP ka Full Form Kya Hai?
| Short Form | Full Form |
|---|---|
| OTP | One Time Password |
OTP Kya Hota Hai?
One Time Password (OTP) ek automatically generated numeric ya alphanumeric code hota hai. Ye aapke registered mobile number ya email pe bheja jaata hai jab bhi aap koi secure transaction ya login karte ho.
OTP ka maasik purpose hai two-factor authentication (2FA) — matlab aapka password jaanne ke baad bhi attacker account access nahi kar sakta jab tak uske paas aapka OTP na ho.
OTP Kaise Kaam Karta Hai?
Aap Login ya Transaction Karte Ho
Aap website/app pe apna username aur password daalte ho ya koi payment initiate karte ho.
Server OTP Generate Karta Hai
Bank ya service ka server ek unique random 6-digit code generate karta hai.
OTP Aapko Milta Hai
Ye code aapke registered mobile number pe SMS ya registered email pe aata hai.
Aap OTP Enter Karte Ho
Code enter karne ke baad access milta hai. Galat ya expired OTP se access deny hota hai.
OTP Kahan Use Hota Hai?
- Net Banking & UPI — NEFT, IMPS, PhonePe, GPay transactions
- Online Shopping — Flipkart, Amazon payment confirmation
- Mobile SIM Verification — Jio, Airtel new connection
- Social Media Login — WhatsApp, Gmail 2-step verification
- Government Portals — Aadhaar verification, DigiLocker
OTP ke Types
| Type | Description |
|---|---|
| SMS OTP | Mobile number pe text message se aata hai |
| Email OTP | Registered email pe aata hai |
| App-based OTP | Google Authenticator jaise apps generate karte hain |
| Voice OTP | Call karke code bolte hain (visually impaired ke liye) |
OTP Kyun Important Hai?
OTP phishing attacks aur password theft se protect karta hai. Agar kisi ne aapka main password chura bhi liya, bina OTP ke account access nahi kar sakta. Isliye RBI ne online banking mein OTP mandatory kar diya hai.