Dr. Dhruba Jyoti BorahMBBS, MPH, PGDMLSRegional Coordinator (Care Support and Treatment)National AIDS Control OrganizationNorth East Regional OfficeMinistry of Health & Family WelfareGuwahati-781006 (Assam), India.

First of all this is indeed my privilege to express my deep sense of gratitude and indebtedness to Dr. P Sankara Sarma, Additional Professor of Statistics , Achutha Menon Centre for Health Science Studies, SCTIMST , Thiruvananthapuram, Kerala for his utmost help and guidance throughout the study I express sincere appreciation to all faculty members of MPH for enabling me to conduct research. I express my gratitude to Dr Lesong Conteh, PhD, Senior Lecturer in Health Economics at Institute of Global Health, London for valuable advice. I thank Edson Araujo, visiting faculty of health economics of UCL Institute for Child Health, Centre for International Health and Development, Guilford Street, London to clarify my doubts. My heartfelt thanks go to Dr. N Devadasan of IPH, Bangalore to clarify my doubts on economic cost. My thanks are also due to all health functionaries involved in health care services in the remotest areas in Assam. I will be failing in my duty if I do not express my sincere gratitude to my family members and all the participants of the study. At the last but not the least I genially thank the lambert Academic Publishing for kind support.