End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
ESR Full form in hindi - ईएसआर टेस्ट क्या है, और यह क्यों कराया जाता है? https://hindiworld.com/esr/