Hello Aspirant,
As per your question I have explained you about Chemical Engineering through NIT Warangal in your last question. Now see if you are placement oriented means you want to get placed in any MNC such as Google, Amazon and likewise just after completing your B.Tech then I would recommend you to go with CSE in NIT Andhra Pradesh because all the NITs you have mentioned in the question are well known NITs for it's quality education so we have to be branch specific.
If you go with ECE then you will have number of opportunities in Public sector as well as Private sector means you can easily get placed either in companies such as ONGC, GAIL, HP and likewise which comes under Organized/Public sector or you can also get job in companies such as Google, Amazon, Cognizant and likewise which lies under Unorganized/Private sector without doing lot of extra efforts as in Chemical Engineering.
So in short if you want to enter in research field then I would recommend you to go with Chemical Engineering in NIT Warangal but if you are placement oriented then I would recommend you to go with either CSE in NIT Andhra Pradesh or ECE through NIT Patna.
I hope this information helps you.
Good Luck!!
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