JEE Advanced Eligibility

Yes, you can definitely go for JEE Advanced because you cleared the OBC criteria of 45 marks. Work hard and try to clear JEE Advanced because, with that, you will be eligible to get IIT, NIT or IIIT which are India's best institute to study engineering with heavy packages in MNCs. Work hard and all the best for your exams.

Yes, definitely, you are eligible for JEE Advance for your score of 49 in OBC category. Also, you can check the list of college you can get according to your marks and rank here if you don't go for advnace. Use Shiksha JEE College Predictor:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=cconnect&utm_medium=CR_JEECP&utm_campaign=7489993.

Yes, you can get some private campus. Don't expect IITs. This rank is not enough for IIT admission. If you want to know which all colleges you get try the below link:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=4479470.

Hello Ripan,
CBSE has announced results of JEE Mains. Successful candidates mean first about 2.2L. These students are allowed to appear in JEE Advanced and also allowed to seek admission in NIT's.

For ST candidates, the cut off is 24.

Of course, you are qualified for Advanced paper, but you have to work hard to get admission in IIT as there is no chance for NIT.

The answer depends on the category you belong to, if you are a PwD then you are eligible to write JEE Advanced otherwise not. All the best. And if you have qualified JEE Mains, you can also use this link to predict the colleges you can get:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=6962715

Hello dear,
Check our college predictor for JEE Mains candidates:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=4067795.

Yes, you are eligible because the marks need to qualify for the advance is 100. So, you are.
Regards.

Typically, to qualify for JEE Advanced one's rank should be below 1, 50,000. If it is above that, it's not possible to qualify for JEE Advanced. Better take a year gap and attempt in the next year.