Supriya with your AIR 2 lakh rank and 11,000 rank in SC category, your chance to get admission in any of the NITs or IIITs is moderate. You will have a better chance to get admission in the NIT of your home state where you will further get domicile quota. 

To check out the last few years cut-off of NITs, IIITs and other private engineering colleges you can go through this link:

• https://engineering.careers360.com/articles/jee-main-cutoff-for-top-iiits
• https://www.entrancecorner.com/engineering/jee-main-2017-cutoff/

In the above cut-off list for NIT, you need to check your state quota in one of the NIT of your state and without state quota in other NITs.

Along with this, you must have also definitely clear JEE Mains cut-off and now you have got an opportunity to sit in JEE Advanced exam where with a wonderful performance you will also get an opportunity to get into top engineering colleges like IITs. JEE Advanced score is not at all influenced by the score of JEE Mains so you can definitely give that exam to the best of your abilities.

Feel free to ask if you have any more queries. All the best!!