Hi, Sujit

Congratulation on your rank.

There is a very less chance to get any NITs, IIITs or any Govt college.

if you are not taking a drop year then here are some good private colleges:

• Amrita University
• KIIT 
• VIT
•  JNTU 
•  BMS Bangalore 
•  RV Bangalore
• Techno India University at West Bengal
•  Adamas University
• Amity University 
• LPU
•  ITM
•  Manipal
•  SRM 
•  GLA-Mathura
•  Galgotia
•  BML
•  SRMS

To get more knowledge about your chance of getting a college please check the college predictor link below:

Https://engineering.careers360.com/jee-main-college-predictor

Thank you