How can I verify my document of obc delhi in jac delhi what will be its procedure and last date to verify

JAC is basically a counselling and admission rounds for admission to DTU, NSIT, IGDTUW  and IIIT-D. The qualifiers of JEE Main 2019 will be required to fill the online registration form, in order to receive admission.
JAC Delhi 2019 Eligibility Criteria-

Admission in B.Tech. Courses in NSUT, DTU, and IGDTUW will be strictly on the basis of All India Rank in JEE (Main)  2019 Paper-I.
Admission in IIT-D will be based on percentile score obtained in Paper-I of JEE Main 2019.

The documents required at the time of Admission
Receipt of the Admission Fee Payment.

Online created Registration Form duly signed by guardian/parent and candidate.

Printout of filled choices (printed after the closing of registration)

Three passport size photograph.

Printout of the Admit Card & Score Card of JEE(Main)-2019.

Marks sheet of the qualifying examination i.e. Class XII or equivalent.

Printout out of Seat Allotment Letter downloaded from www.jacdelhi.nic.in

Date of Birth Certificate as indicated in High School or equivalent examination i.e. Class X

Bonus Point documents, if eligible for IIIT-D bonus point.

Reserved category/sub-category Certificate

Medical fitness certificate original in case of General / SC / ST / CW / OBC / SG / TP / CW / KM (Format available in this brochure).