Hello aspirant

168 is quite a decent score. You can easily get a rank between 14 to 17k. This can easily get you an admission in an NIT. However if you want branches like Cse then in gen category you can only get them in your home state. You can know your predicted rank using the link below

https://engineering.careers360.com/jee-main-rank-predictor

168 marks is good marks in jee mains,you will get lot of NITs in this score.Cut off marks of this year will be around 75-85( for general category students).And Your genral category rank will be in range of 14k-15k.Lot of NITs is available under this rank .You will get more benefit with this rank in your home state NIT.

You can check through this link which NITs are available in rank (14k-15k).Also available branch is also given in this page.

Copy the link and search it in search engine.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.embibe.com/exams/nit-cut-off/amp/&ved=2ahUKEwiBoaeL7fbfAhWPeysKHfZ5DM4QFjABegQIBBAB&usg=AOvVaw0M4h9LOjG5wrftZ9P4pHnH&ampcf=1.

You can ask if you have any other queries.

GOOD LUCK!