Engineering

With this rank of 3700 in EWS, you can not get ECE in NIT calicut by any means. You can get civil or mining or even chemical engineering easily. you can get ECE in other NITs but not in Calicut . 

With 85.6 percentile (JEE Mains CRL 2.12Lakhs) you can expect Mechanical, Civil, Mining and even there are some chances of Electrical based on General home state quota in MBM Jodhpur. For ECE chances are very low but you can try once.

Your category rank, which represents your place within your particular reservation category, should be your primary tool for predicting your college options in JEE Main. Some seats are distributed based on CRL, particularly after all category seats are filled, so it's also very important to take your CRL (Common Rank List) or All India Rank (AIR) into account during the actual JoSAA/CSAB counseling.

Government Colleges (GCOEs):

1. GCOE Amravati, Widely regarded as a solid choice, with prospects for a number of core fields, including information technology.
2. Another excellent choice that may be accessible in all branches is GCOE Awasari Khurd (Pune).
3. GCOE Jalgaon, A respectable choice with a solid reputation.
4. GCOE Nagpur, A good option that usually offers all branches.
5. Another good choice in the network of government colleges is GCOE Yavatmal.
6. Like Yavatmal, GCOE Chandrapur is a worthwhile choice. 

BITSAT Exam Centers

- *India*: Over 60 cities, including major metropolitan cities like Delhi, Mumbai, Bengaluru, and others

- *Abroad*: Dubai and Kathmandu

- *Preference*: Choose up to 3 exam centers during registration

if the student has scored 58 percent in class 12 with physics chemistry and maths then yes they are eligible for B.Tech admission at ipu through JEE Mains the process includes registering on the ipu admission portal using JEE score filling choices during counselling and then seat allotment and document verification

No, you can not get into NIT or IIIT or GFTI with 346529 rank in JEE in EWS Category. You can search for other private colleges  and state government colleges based on 12th score card or direct admissions in your state or other state.

If you're from general category then use crl to predict your college but if you belong to a reserved category like obc sc st or ews then use your category rank

NIT Admission with 95 Percentile in JEE Mains

- *Possible NITs for CSE*: NIT Puducherry, NIT Arunachal Pradesh, NIT Sikkim, NIT Meghalaya, NIT Nagaland (for SC/ST or EWS)

- *Factors Affecting Admission*: Home State Quota, Reservation Policy, Institute Popularity

- *Expected Rank*: 5,000 to 30,000.

With 333705 obc ncl rank in JEE Mains getting into sastra university is very unlikely especially for branches like CSE or ECE. They usually close at way better ranks. You can still try if you're okay with non core branches or management quota.