Hello Sournamalya,
The cutoffs for ECE branch in CIT in the year 2018 was around 345- 1856 in OC and 1884- 2134 in BC category . So with your rank, you won't be able to get ECE in CIT. You can predict which colleges you can get with your rank from this link:
https://engineering.careers360.com/tnea-college-predictor
Best Wishes!
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