NAT (National Aptitude Test) is conducted for two type of candidates seeking admissions in NAT Associated Universities (List given below). For eligibility criteria 

1. Students having completed 12 years of education in 

• Pre-Engineering
• Pre-Medical
• Arts
• Commerce
• Computer Science and 
• General Science

2. For Students who have completed 14 years of education in

• Biological Sciences
• Management Sciences
• Arts & Humanities
• Physical Sciences
• Oriental & Islamic Studies

However, right now Fee for NAT Test 2024 is Rs. 850 (Rupees Eight Hundred Fifty Only) which you can pay by any online payment methods i.e. 1Link 1Bill Intergrated Banks/ATM/Internet Banking/Mobile Banking/EasyPaisa/JazzCash/TCS Express Counters. 

Please Check the univeristy you are interested to admission in is listed below before applying for NAT Test:- 

1    Quaid-i-Azam University Islamabad
2    Center for Advanced Studies in Engineering (CASE)
3    CECOS University, Peshawar
4    COMSATS University, Islamabad
5    Dr. A.Q Khan Institute of Computer Sciences & Information Technology
6    Fatima Jinnah Women University, Rawalpindi
7    Federal Urdu University ( Islamabad Campus )
( B.Sc Electrical Engineering )
8    GIFT University, Gujranwala
9    Gomal University, D.I.Khan
10    Government College University, Faisalabad
11    Imperial College of Business Studies
(For Engineering Category Only)
12    Institute of Business & Mangement (IB&M) UET, Lahore
13    Institute of Management Sciences, Peshawar
14    Institute of Southern Punjab, Multan
15    Institute of Space Technology, Islamabad
16    International Islamic University, Islamabad
(Department of Computer Science, Department of Electronics Engineering)
17    Islamia University Bahawalpur, Bahawalpur
18    Karachi Institute of Technology and Entrepreneurship (KITE)
19    Kinnaird College For Women, Lahore
20    Kohat University of Science & Technology, Kohat
21    NAMAL College, Mianwali
22    National Textile University, Faisalabad
23    National University of Computer & Emerging Sciences (FAST)
( All Campuses )
24    Pakistan Atomic Energy Commission (Talent Scholarship)
25    Silver Oak Institute of Management Sciences & Information Technology (SIMSIT) Islamabad
26    The University of Azad Jammu & Kashmir (Faculty of Agriculture, Rawalakot)
27    UET, Peshawar (Non Engineering Programmes)
28    University of Gujrat, Gujrat
29    University of Management & Technology, Lahore
30    University of Peshawar, Peshawar
31    University of Science & Technology, Bannu
32    University of Swat, Swat

I hope you get the answer.