anybody say me process to get admission in any engineering collage & suggest me important documents for admission

In order to get admission in top colleges of engineering like IITs/NITs/IIITs and GFTIs you need to appear for JEE exam and you should have 75% marks in your board exam or you should be in top 20 percentile.

Apart, from JEE you can also appear for other entrance exam like-

BITSAT

SRM

Manipal

VIT

Amrita

You need to show below documents at the time of your admission for JoSSA counselling

1. Provisional Seat Allotment Letter

2. Original Admit Card of JEE Main

3. One passport size photograph same as on the JEE Main application form.

4. JEE Main Score Card issued by CBSE. (Downloaded once are accepted).

5. Proof of photo ID issued by either central Govt. or State Govt. or last attended School or Admit card of class XII.

6. Medical Report as mentioned on JoSAA website

7. Marks sheet of class X as proof of Name of the Candidate and date of birth.

8. Class XII Board Certificate and Marks sheet of qualifying examination to be used as proof of State code of Eligibility.

a. A passport is required if a candidate clearing the qualifying examination from outside India for for determining the 'State code of eligibility'.

b. The state code of eligibility for Indian nationals passing the Class XII (or equivalent) examination from Nepal/Bhutan will be determined through the permanent address in India as mentioned in the passport of the applicant.

c. To determine the 'State code of eligibility’ for students having Senior Secondary Certificate, proof of place of examination center of the final examination from the National Open School is to be presented.

9. Category (SC/ST) certificate to be submitted in the format given on official website of JoSAA (Issued by competent authority).

10. OBC-NLC (central list) certificate of category will only be accepted if issued by the competent authority in format prescribed by JoSAA at the official website. The form must clearly contain that the candidate is from Non Creamy Layer.

11. Persons with Disabilities (PwD) according to JoSAA website, must carry certificate issued from a duly constituted Medical Board. For candidates whose disability is temporary, the certificate would be binding for five years. The validity for those who have permanent disability must be mentioned as ‘permanent’.

Certificate issued by an invalid Medical Board or expired on the date of reporting will be rejected