hey,

the basic eligibility criteria for UCEED 2021 is candidate must have passed their 10+2 from recognized board in the year 2020 and appearing candidate for same are also eligible , candidate who are from science stream without maths or physics or chemistry ,commerce and arts and humanities are applicable to apply for admission in IIT bombay , IIT hyderabad , IIT guwahati and IITDM jabalpur , candidate must born on or after october 1, 1996 and there is a relaxation of 5 years for reserved candidates , candidate can appear for same consecutively twice .

for more details you can refer to the link mentioned below

https://design.careers360.com/articles/uceed-eligibility-criteria

good luck!