TatvaOS Core · by Techvein

One identity.
Every product.

Business email and identity for Indian organisations. Your people, domains, storage and billing in one place — with products that plug into it rather than sitting beside it.

Setting up does not touch your existing email. You prove you own your domain, and nothing else changes until you choose to move your mail.

Not an email product with an admin screen

Core is the layer your organisation runs on. Mail is the first product on it — Drive, People, Payroll, Sheet and Word follow, and every one of them uses the same people, the same storage and the same bill.

One identity, every product

A person exists once. One sign-in reaches Mail today, and Drive, People and Payroll as they arrive. When someone leaves, one action removes all of it — not six.

Isolated by the database

Your data is separated by PostgreSQL row-level security, not by application code remembering to filter. It holds even when the code is wrong — which is the only kind of guarantee worth having.

Storage bought once, split by you

Buy one number and divide it across products yourself. Move space from Mail to Drive whenever you like — no new purchase, no support ticket.

Hosted in India

Your data stays in-region for DPDP compliance, with a full audit trail of every administrative action taken on your organisation — including by us.

Four steps, and your mail stays put

The order matters. You get value before you take any risk.

1

Tell us about your organisation

Name, type, and who you are. Two minutes.

2

Prove you own your domain

One record, four ways to add it. Pick whichever you can actually do.

3

Start using it

Create people and categories immediately. Your existing email is untouched.

4

Move your mail when ready

A separate step, inside your console, on your schedule. Reversible.

Set up in minutes

Prove you own your domain and you are in. Move your mail across whenever you are ready.

Get started

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TatvaOS

© 2026 Techvein. Hosted in India.