Razia with your 62105 rank in WBJEE mains exam you will not be able to end up in any government college as generally, their cut-off is way too high with this rank you can get some of the top private colleges mentioned below with the branches where you have a good chance to get admission:

Abacus Institute of Engineering & Management :

• Civil Engineering
• Electrical Engineering
• Electronics & Communication Engineering
• Mechanical Engineering

Aryabhatta Institute of Engg. & Management:

•  Civil Engineering
•  Computer Science & Engineering
•  Electrical & Electronics Engineering
•  Electrical Engineering
•  Electronics & Communication Engineering
•  Information Technology
•  Mechanical Engineering

Bengal College of Engineering and Technology :

•  Civil Engineering
•  Electrical & Electronics Engineering
•  Electrical Engineering
•  Electronics & Communication Engineering
•  Information Technology
•  Mechanical Engineering

Bengal College of Engineering, Durgapur :

•  Electrical Engineering
•  Electronics & Communication Engineering

Bengal Institute of Technology:

• Bio-Technology

Calcutta Institute of Engineering & Management:

• Instrumentation & Control Engineering

Camellia Institute of Technology & Management :

•  Civil Engineering
•  Computer Science & Engineering
•  Electrical Engineering
•  Electronics & Communication Engineering
•  Mechanical Engineering

Durgapur Institute of Advanced Technology & Management:

•  Chemical Engineering
•  Electrical Engineering
•  Electronics & Communication Engineering

Future Institute of Engineering and Management :

• Applied Electronics & Instrumentation Engineering

Global Institute of Management and Technology :

•  Civil Engineering
•  Computer Science & Engineering
•  Electrical Engineering
•  Electronics & Communication Engineering
•  Mechanical Engineering

Haldia Institute of Technology:

•  Bio-Technology
•  Food Technology
•  Production Engineering

JIS College of Engineering:

• Bio-Medical Engineering

JLD Engineering and Management College:

•  Computer Science & Engineering
•  Electronics & Communication Engineering

Narula Institute of Technology:

•  Applied Electronics & Instrumentation Engineering
•  Electrical Engineering
•  Mechanical Engineering

Siliguri Institute of Technology:

•  Civil Engineering
•  Computer Science & Engineering
•  Electrical Engineering
•  Electronics & Communication Engineering
•  Information Technology

Techno India Durgapur:

•  Civil Engineering
•  Computer Science & Engineering
•  Electrical Engineering
•  Electronics & Communication Engineering
•  Information Technology

And to find out  more colleges in which you are eligible you can check out the link mentioned below:

• https://engineering.careers360.com/wbjee-college-predictor

Feel free to ask if you have any more queries. All the best!!

Congratulations for getting this much rank in wbjee 2018.

You will surely get decent colleges and decent branches on the basis of your rank that you have secured.

Since you have not mentioned your category, I am assuming you to be of general category.

https://engineering.careers360.com/college-predictor-result/50034?s=89919036271527164073

Visit this link to have more  idea regarding what colleges you will get though.

I am posting here a list of few colleges which you can get:

• Adamas University, Kolkata
• Netaji Subhas Chandra Bose Institute of Pharmacy, Nadia
• Bharat Technology, Howrah
• Asansol Engineering College, Asansol
• Bankura Unnayani Institute of Engineering, Bankura
• MCKV Institute of Engineering, Howrah
• Future Institute of Technology, Kolkata
• Dr BC Roy Engineering College, Durgapur
• Narula Institute of Technology, Agarpara
• Techno India College of Technology, Kolkata
• Bengal Institute of Technology, Kolkata
• Netaji Subhash Engineering College, Garia
• RCC Institute of Information Technology, Beliaghata