My Encounter with Mini-India in Mumbai Customs is a memoir of the Author's Service career with Mumbai Customs, which spanned more than 28 years. This book may provide an account and nature of preventive service in Mumbai Customs of the period of 1986 to 2014 for those who are interested in it. This book would stir the service- memories of Author's colleagues, of his batch mates, of his seniors and of all other confederates of Mumbai Customs, who go through this book. It highlights the appointment, training in the preventive cadre, various places postings given under the jurisdiction of Mumbai Customs, the idiosyncrasies of its officers, its bygone days etc. and how these characteristics make Mumbai Customs' paradigm shift into Mini India, all beautifully converted in words. The detail of Posting History given is for the main purpose to familiarize the readers of various places, nature & conditions wherein a preventive officer had to perform his duties, and of course through this way the author could revisit his journey in Mumbai Customs. Author's effort may also enable, his the then colleagues and the persons connected with Mumbai Customs to re-live their experiences in Mumbai Customs. This book lucidly covers diversified and cultural facets of Indianness like Religion, Language, Dressing, government Service work- milieu etc. through the diligent reminiscences of author's service career with Mumbai Customs.