Department Of Employment And Training Tamilnadu — Unable to add caste detail, that field not working

Address:	Tamilnadu Department of Employment and Training
Website:	tnvelaivaaippu.gov.in/Empower/CandidateProfileAction.htm#

Sir/Madam,
My name is MUTHU GOPALA KRISHNAN M
USER ID : TND2017M00013152
LINK: https://tnvelaivaaippu.gov.in/
When i was trying to add my degree qualification...in tamilnadu state employment registration provided above. It shows validate as "Please enter the CASTE".. But that field is not visible that is disabled... PLEASE LOOK AT MY CASTE AND CHANGE IN IT FROM YOUR END...
Community : BC,
Caste : VANIYAR (வாணியர்)
Thanking you sir/madam...