Dear Aspirant
At first lots of congratulations for your results . I .According to trends of previous years and this year's JEE MAIN cut off I am afraid to inform you that your chances of getting admission into colleges NITs and IIITs are tough for those departments .However You can try in state level counselling and private colleges .One thing is important that admission in ST category entirey depends upon that particular category rank , not the All India rank.
Some of NITs in which those above mentioned departments you can get are
NIT DURGAPUR
NIT AGARTALA
NIT KURUSKSHETRA
You can get some NITs if you have that particular state's domicile quota for other departments like
NIT BHOPAL
Chemical Engineering
NIT CALICUT
Civil Engineering
Mechanical Engineering
NIT DELHI
Electronics and Communication
NIT JAIPUR
Metallurgical and Material Engineering
NIT ALLAHABAD
you can check previous years cut off https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits check your chances here https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
Best Wishes.
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