Hello,

Yes Residential certificate is necessary for TS ICET counselling. The documents required for the counseling are

• TS ICET rank card 2020

• Hall Ticket

• Aadhaar card

• Passing/ degree certificate

• SSC marksheet/ passing certificate

• Intermediate or equivalent marksheet/ passing certificate

• Degree provisional pass certificate

• Degree memorandum of marks

• Study or Bonafide Certificate from IX class to Degree

• Transfer certificate (TC)

• Residence Certificate

Now that you don't have Residential certificate i would suggest you to talk to the officials to know what you can do about it.