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Your Contribution Can Help Build a Child’s Future
Contribute to children’s education. Learn something useful yourself.
Education first
Support for children’s learning, from the community.
You choose
Contribute any amount. A verified contribution may earn a product benefit.
Honest by design
Only confirmed facts. Unknowns say “to be confirmed”.
How it works
Bigsun checks every payment first. A code is never instant.
- 1
Choose contribution
Pick an amount you are comfortable with.
- 2
Make payment
Pay by UPI or bank transfer to Bigsun’s official details.
- 3
Submit reference
Send your name, amount and transaction reference through our form.
- 4
Payment verified
Matched with the bank record. Submitting is not verification.
- 5
Unique code issued
Bigsun aims to call within 1 business day of verified details.
- 6
Select eligible product
Pick a Bigsun product that is eligible for your contribution.
- 7
Redeem code
Use the code once, subject to the terms.
Learning programmes
Women Career Initiative
A guided four-week learning path with practice and a certificate for those who pass.
Open the programme → For everyoneAI for Beginners
Seven short days: understand AI, use it safely, create with it.
Start Day 1 → ReferenceReference guides
Plain guides on GST, TDS and everyday work skills.
Browse the guides →Quick answers
Is this a product purchase?
No. It is a voluntary contribution. A verified contribution may earn a product benefit, on terms Bigsun will publish.
Is it tax-deductible?
We have not said so. Please ask your chartered accountant or legal adviser.
When do I get my code?
Not instantly. Bigsun verifies your payment first, then aims to contact you within one business day of receiving the verified details.
Who do I contact?
Phone +91 98202 98089 or email gs@bigsunworld.com.
Never share a UPI PIN, OTP or password with anyone. Bigsun will never ask for them.