Adobe's free tool to sign a PDF yourself, Zoho Sign to send routine contracts, and Leegality when an Indian signer needs Aadhaar eSign and e-stamping.

Electronic signatures are valid in India under the IT Act for most contracts, but not for a power of attorney, a trust deed, a will or a contract to sell property. Zoho Sign's free plan sends 5 envelopes a month and Standard is ₹650 a user a month billed yearly; Leegality charges per signatory, ₹25 for Aadhaar eSign, with digital stamp paper at ₹45 plus the duty. Buy a contract management system only when you lose track of who signed what.

The picksPrices as each maker's page states them

1
Adobe Acrobat
Signing a PDF yourself, free

Acrobat Standard ₹477.90 a month, Acrobat Pro ₹638.38 a month, Acrobat Studio ₹797.68 a month, incl. GST, annual plan billed monthly Read from adobe.com on 10 November 2026 Free online tools to sign, edit, merge, split, compress, convert, OCR and password-protect a PDF in the browser
2
Zoho Sign
Sending routine contracts for others to sign

Standard ₹650, Professional ₹1,000, Enterprise ₹1,300 a user a month billed yearly Read from zoho.com on 10 November 2026
3
Leegality
An Indian signer's identity and stamp duty must hold up

Basic plan (under ₹3 lakh a year): Aadhaar eSign ₹25 a signatory, non-Aadhaar eSign ₹15, digital stamping ₹45 a stamp paper plus stamp duty Read from leegality.com on 10 November 2026
4
Dropbox Sign
Clients abroad

Essentials $15 a month ($180 billed yearly) for one person; Standard $25 a user a month (from $600 a year); Premium on quote Read from sign.dropbox.com on 10 November 2026

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