How many marks i need to get in iit advance to get a sc rank under 50
JEE Advanced maximum marks are not defined :
Maximum Marks vary every year like below:
2017- 366
2016- 372
2015 - 504
2014 - 360
So, it is difficult to predict marks as exam pattern and marks change every year.
If you want you can check the JEE Advanced cut off below
https://engineering.careers360.com/articles/jee-advanced-cutoff
Good Luck!!

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