Hello Virendra

To appear in 12th standard Supplementary examinations, you must register your name for supplementary examinations by paying an examination fee in your 12th standard school before the last date of applying for 12th standard examinations. After registering for Supplementary examinations, you can obtain the hall ticket from your school before 2-3 days of commencement of examination and you can appear in supplementary examination and you can qualify in all four subjects of your 12th standard