i can get 74.7677 percentile but rank is 274000 in obc category can I eligible for JEE ADVANCE this year

Hello

Hope you are doing well

You got 74.7677 percentile in jee mains which is greater then obc ncl cutoff (cutoff of obc category is 72.88 percentile).so you are eligible for jee advanced.

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Hello,
As the official cutoff percentile released by the NTA for JEE Mains 2020 has the cutoff for OBC category as 72.8887969, and as your percentile score is more than the cutoff, so you have qualified in JEE Mains. You are eligible for JEE Advanced and also can go for JOSAA counseling for admission into NITs IIITs and GFTIs.
The application form for JEE Advanced is out and you can fill the form as soon as possible. JEE Advanced form filling is in three steps which include JEE Advanced registration 2020 by using details of JEE Main application number and password, uploading of documents and payment of the JEE Advanced application form fee.
Please visit this link for more details about JEE Advanced 2020 application form
JEE Advanced 2020 will be conducted on September 27, 2020. All the best.
Please visit this link to use the JEE Mains college predictor to get to know the probable colleges according to your rank in JEE Mains 2020.
Hope it helps