I would like to tell you that UPSC not yet issued the application form to apply for Combined Medical Services Exam here I will get details so that you can remember easily when ever issued by them.

TO check for application have a glance on this process

GO to official online site of UPSC which looks like this

UPSC

Site page will open at middle page
You can see notifications there you can get information easily

Here telling you details about exam

Exam Centres
Agartala, Ahmedabad, Aizawl, Allahabad, Bangalore, Bareilly, Bhopal, Chandigarh, Chennai, Cuttack, Dehradun, Delhi, Dharwad, Dispur, Gangtok, Hyderabad, Imphal, Itanagar, Jaipur, Jammu, Jorhat, Kochi, Kohima, Kolkata, Lucknow, Madurai, Mumbai, Nagpur, Panaji (Goa), Patna, Port Blair, Raipur, Ranchi, Sambalpur, Shillong, Shimla, Srinagar, Thiruvananthapuram, Tirupati, Udaipur and Vishakhapatnam

Name of posts
1. Assistant Divisional Medical Officer (Railways)

2. Assistant Medical Officer (Indian Ordnance Factories Health Services)

3. Junior Scale Posts (Central Health Services)

4. General Duty Medical Officer Gr-II in East Delhi Municipal Corporation, North Delhi Municipal Corporation and South Delhi Municipal Corporation

5. General Duty Medical Officer in New Delhi Municipal Council

Fees
Candidates (Excepting Female/SC/ST/PH candidates who are exempted from payment of fee) are required to pay of fee of Rs.200/- either by depositing the money in any Branch of SBI by cash, or by using net banking facility of SBI, State Bank of Bikaner & Jaipur/State Bank of Hyderabad/State Bank of Mysore/State Bank of Patiala/State Bank of Travancore or by using Visa/Master Credit/Debit Card

Address:-
UPSC
Dholpur House, Shahajan Road, New Delhi, Delhi 110069

Phone:-
011 2338 5271