WHO headquarters of Southeast Asia is at:
HEADQUARTERS

African region - Brazzaville, Congo
Region of the Americas -  Washington D.C, USA
Southeast Asia Region -  New Delhi, India
European Region - Copenhagen, Denmark
Eastern Mediterranean Region - Cairo, Egypt
Western Pacific Region - Manila, Philippines

Essentials of preventive and community dentistry 
Soben Peter 
5th edition
New Delhi
Ceylon
Katmandu
Islamabad