Dear Aspirant,

Previous year cutoffs (closing ranks) of 6 ^th round (for general category)for these colleges were as follows:

VNIT (Home State): 5967, other state - 4708

SVNIT (Other State): 5227 , Home state: 6076

Now according to this and this analysis of JEE Mains 2021 Marks VS Percentile Vs Rank -

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

99.45+percentile (170+ Marks) would help in achieving rank under 5000 .

You can also check official cut-offs of all NITs on official JOSAA website –

https://josaa.nic.in/Result/Result/currentorcr.aspx

Also check these:

1. https://engineering.careers360.com/articles/jee-main-preparation-tips
2. https://learn.careers360.com/knockoutfull-jee-main-april/

Hope this helps.