JEE Main or Joint Entrance Examination Main is an Entrance Exam for National Institutes of Technology (NITs), Indian Institutes of Information Technology (IIITs) and other leading Engineering Institutes in India.

JEE application fee payment can be made
(a) by credit/debit card, OR
(b) by demand draft issued by a scheduled commercial bank in favour of Secretary,CBSE, payable at Delhi

As you asked I am telling you to send a demand draft of Rs 500 payable to 'Secretary, CBSE' at New Delhi along with your application for appear in JEE exam

For JEE Main, candidate can apply online and they have to send Demand Draft in favor of The Executive Director by speed post or registry.

JEE Exams is conducted in two parts; paper 1 consists of both offline (Pen+Paper) and online mode and paper 2 is conducted in only offline mode.

Contact Number of DD for Jee Main
The contact number of DD for Jee Main is 8003045222, 8003046222.
JEE Main Address and Contact Number
The Executive Director, JEE (Main) Secretariat, Central Board of Secondary Education, PS-1-2, Institutional Area, IP Extension, Patparganj, Delhi-110 092