Engineering

Admit card for JEE MAINS are released before the 3 days of actual exam date. You can see the exam date on city intimation slip. For the shift of exam, you will see it in the admit card released before 3 days of exam.

Amity University and BITS Patna are the best private colleges in Bihar for B.Tech civil engineering after Diploma.

Target lower-ranked NITs, state government engineering colleges, or private engineering colleges for your ranks rather that top NITs or old IIITs. Prioritize checking recent cutoffs for these institutes for final decision.

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.