According to Me the Both the IIT And Jadavpur University is Good for the B.tyech Course But I Suggest you that you may Decide the Institute based on the Following Factors that Are

Stream of Engineering you wants to do In B.tech
Placement

Admission Cutt off Etc

As per My knowledge the Admission Cutt off of the IITS Are higher than Javadpur University And If you are good Enough to Score the Higher Cutt off then you may Apply in IITs

the Admission Procedure of IITS is is A two Way Process Forst you may Clear the JEE Main then Apply for the JEE Advanced Exam

Whereas the Admission Into the B.tech Course of the Javadpur University is Based on the WBJEE Exam


Javadpur University Admission Cutt off :

Chemical Engineering 150 734
Civil Engineering 437 690
Computer Science And Engineering 1 80
Construction Engineering 792 1140
Electrical Engineering 89 377
Electronics And Telecommunication Engineering 53 149
Food Technology And Bio Chemical Engineering 798 1396
Information Technology 134 397
Instrumentation And Electronics Engineering 108 597
Mechanical Engineering 18 436
Metallurgical Engineering 603 886
Pharmaceutical Technology 915 2537
Power Engineering 636 1027
Printing Engineering 1142 1655
Production Engineering 586 944

IITS Cutt off

Institute Name Closing Rank – 2016 (Open Category)
Indian Institute of Technology Bombay 777
Indian Institute of Technology Delhi 907
Indian Institute of Technology Kanpur 1394
Indian Institute of Technology Madras 1246
Indian Institute of Technology Kharagpur 1560
Indian Institute of Technology Roorkee 2426
Indian Institute of Technology Guwahati 3052
Indian Institute of Technology (BHU) Varanasi3800
Indian Institute of Technology Hyderabad 3401
Indian Institute of Technology Gandhinagar 3658
Indian Institute of Technology Indore 4434
Indian Institute of Technology Ropar 5010
Indian Institute of Technology Bhubaneswar 5716
Indian Institute of Technology Jodhpur 6006
Indian Institute of Technology Mandi 6094
Indian School of Mines Dhanbad 6400
Indian Institute of Technology Patna 6284
Indian Institute of Technology Tirupati 7165
Indian Institute of Technology Palakkad 7381
Indian Institute of Technology Goa 7571
Indian Institute of Technology Bhilai 8379
Indian Institute of Technology Dharwad 8478
Indian Institute of Technology Jammu 8628