TNMC alumni are not confined just to Mumbai, Maharashtra or India. They are spread all over the globe. Where ever they have pitched their tent, they have made a name for themselves, and indeed for their alma mater.
The United Kingdom has a strong presence of TNMC alumni. Their organization is called TONAMEC - UK. Ably lead by prominent TNMCites like Dr Dushyant Mohla, Dr Asgar Bhanji et al, they have been organizing regular reunions and collecting funds to help their mother institution. There are some alumni settled in other parts of Europe, but they operate under TONAMEC - UK umbrella.
The United States of America is the other country where hundreds of ex TNMCites have settled. They have also been organizing reunions in various parts of the country. They have also been extending their helping hand to strengthen TNMC.
Middle East Asia has a strong contingent of TNMC alumni. They are in the process of organizing themselves into a unit.
Additionally, Australia, New Zealand, African countries etc have a sizeable number of TGA members. It is a part of TGA mission to enrope all alumni into its fold.