Synopsis There had been rapid developments in all aspects of technique and technology during last century for exploration and production of oil and gas from deep sea to rugged hilly and forested areas and of course from deserts. The industry in India has not lagged behind the global effort. The twenty-first century is destined to be an era for application of technologies that would ensure much higher or near total recovery of inplace oil/gas from new or old reservoirs. The sixth edition of the directory is divided into two parts like its last edition. Part I is devoted to the current status of all the subsectors of the petroleum industry. Besides, it also includes all relevant information concerning New Exploration Licensing Policy (NELP), coal bed methane, gas hydrates, manpower and new initiatives. Part II provides the details like names, addresses, branches, joint ventures, products/services, senior executives of all the upstream/downstream petroleum companies/organisations operating in India followed by product index and who's who in the Petroleum Industry of the country.