Resonance2020 is a youth movement inspired by the ideologies of a book written by President Dr. APJ Abdul Kalam called "Ignited Minds" with a vision of a developed India by 2020.
Resonance2020 is about instilling nationalism in youth through the medium of education using a platform of fun and entertainment. Resonance2020 started with 9 members in 2005 and today stands at 10,000 members strong and still growing. There are no confirmed reports about how many members there are exactly.
References
Resonance 2020 Wikipedia(Text) CC BY-SA