I've got a 43k rank, can I get any NIT or IIIT?

Predict the engineering colleges you can get on the basis of your JEE Rank. Use Shiksha JEE College Predictor: https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=cconnect&utm_medium=CR_JEECP&utm_campaign=7489993

You have a good rank. You can get colleges of your state may be NITs. Try JEE college predictor to get more information and insight about college which you can get on the basis of your rank: https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&