Mood Indigo, or Mood I, as it is fondly called, is the Annual Cultural Festival of the Indian Institute of Technology Bombay. Held towards the end of December every year, it attracts a whopping 1,26,000 students from more than 1600 colleges all over the world. It holds a Limca record for the maximum number of international artists at a cultural festival.

In the past, Mood Indigo has been a stage for the most unique and entertaining performances in India. With competitions that bring out the best youth talent in the country, Mood Indigo has also had some of the most outstanding performances over the past few years are those by Porcupine Tree, Katatonia, Sumo Wrestlers, Mike Portnoy, Sander Van Doorn, Asha Bhosale, Amit Trivedi, Shankar Ehsaan Loy, Vishal Shekhar, Chris Korn, Tararum Group, Victor Rubilier and many many more.

Mood Indigo, IIT Bombay's cultural festival is currently in its 45th edition and has grown to become Asia's largest college cultural festival. Holding a record for maximum international artist in a cultural festival, Mood Indigo constantly keeps growing every year. Being a festival entirely organised by students, Mood Indigo provides the students with not only the proper professional exposure but also a great experience filled with learning.

Aiming to provide something for everyone, Mood Indigo has a huge legacy of top quality competitions to nurture youth talent and promote it through the "Live Your Passion" campaign. With concerts and various artists performing over 4 days, Mood Indigo makes it a point to constantly entertain the visitors.

In its attempt to give back to the society, Mood Indigo takes up a social cause every year. The largest blood donation drive in India, a platelet donation drive and an anti-depression drive being some of the prominent ones.

The 45th edition of Mood Indigo will be from the 18th-21st December 2015.