Hey!
Yes, you can submit INCOME CERTIFICATE in next counselling round of TSICET 2020. kindly make sure it is issued on or after 01-01-2020 by the authority. Well, income certiificate is not mandatory , but if you have then you must submit it. For more infor , visit here:
https://tsicet.nic.in/TSICET2020DETAILEDNOTIFICATION.pdf
https://bschool.careers360.com/articles/ts-icet-counselling
Thankyou
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