My brother pursued Mechanical Engineering from IIEST Shibpur. IIEST, Shibpur Mechanical Department has an excellent set of faculties, but some of them are known to be a little strict. But, their temper and strictness depend on how you behave with them and how much attention you pay in their lectures. Otherwise, they are found to be completely student-friendly.

The strictness of the professors is listed below in decreasing order. 

• Santanu Kumar Karmakar - He seems to be very strict.
• Somnath Chakrabarti
• Shyamal Chatterjee
• Aritra Ganguly
• Apurba Kishore Dutta
• Debasis Datta
• Bijan Kumar Mondal
• Achin Kumar Chowdhuri
• Sisir Kumar Guha
• Sudip Ghosh
• Partha Pratim Dey
• Subhas Chandra Mondal
• Uttam Rana
• Ashim Guha
• Bidyut Kumar Bhattacharya
• Rathindra Nath De - Most benevolent and calm.

You should note that this list does not reflect their teaching style or knowledge by any means. It is completely based on how strict they are about attending the classes regularly. Hope the information given in the answer is helpful.