Dear Aspirant ! If you are having  a rank of 22,240 in OBC category then your CML rank may be around 70k- 80k. So Dear with such rank it is not possible to get seat in NITs. To get a seat in NITs, your rank shloud be under 35k. But yes there are some instances where students with bad ranks have got seat but they got that under SC/ST and under home state quota 

• National Institute of Technology Durgapur
• Indian Institute of Information Technology, Design & Manufacturing, Kancheepuram
• National Institute of Technology Patna-Mechanical Engineering
• National Institute of Technology Calicut-Chemical Engineering
• National Institute of Technology Meghalaya-Electronics and Communication Engineering
• Indian Institute of Information Technology (IIIT), Sri City, Chittoor-Electronics and Communication Engineering