For every source of income you have to maintain proof of earning and the records specified under the Income-tax Act. In case no such records are prescribed, you should maintain reasonable records with which you can support the claim of income.
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My Dear ,
I thank you for marking the answer as satisfactory.
I have noted.
It will be very nice and helpful to our other members (and the answerer too) if you mark your satisfaction level on the grade scale below.
Please feel free to mark any point. I don't share it with anyone. I use it for doing my internal calculations only. I use these calculations to evaluate the service performance of the relevant virtuoso.
Here is the grade scale:
Thank you,
Yours sincerely,
Anu, Thakurani's bestie