According to me yes there is no doubt Indian Institute of Technology - Joint Admission Test for M.Sc is common for all IITs and here I will get details of exam.

Fee structure
Fee Details
One Test Paper Two Test Papers
Female (All Categories), SC, ST, PwD Rs. 750/- Rs. 1050/-
General & OBC Rs. 1500/- Rs. 2100/-

Eligibility
Nationality:
Indian & Foreign candidates are eligible to apply.

Qualifying Exam:
Candidates should have a bachelor’s degree in any stream from any recognized college or university.

Percentage Criteria:
Students must have obtained minimum 55% marks for general & OBC-NCL candidates and 50% marks for SC, ST and PwD categories.

Appearing Candidates:
Students appearing in the final year of the qualifying exam are also eligible to apply.

Exam centres
IISc Bangalore – Bengaluru, Hubli, Hyderabad, Kannur, Kozhikode, Mangalore, Palakkad, Trissur

IIT Roorkee – Dehradun, Jalandhar, Kurukshetra, NOIDA, Mohali, Moradabad, Roorkee

IIT Bombay – Ahmedabad, Goa, Mumbai, Nagpur, Nanded, Nasik, Pune, Vadodara

IIT Delhi – Faridabad, Ghaziabad, Greater Noida, Gurugram, Hisar, Indore, Jaipur, Jammu, Jodhpur, New Delhi

IIT Madras – Chennai, Coimbatore, Ernakulam, Kollam, Kottayam, Madurai, Thiruvananthapuram, Tiruchirapalli, Tirunelveli, Warangal

IIT Guwahati – Asansol-Durgapur, Dhanbad, Dibrugarh, Guwahati, Jorhat, Kalyani, Patna, Siliguri

IIT Kharagpur – Bhubaneswar, Kharagpur, Kolkata, Raipur, Ranchi, Vijaywada, Visakhapatnam

IIT Kanpur – Agra, Allahabad, Bareilly, Bhopal, Kanpur, Lucknow, Varanasi