References:

• https://en.wikipedia.org/wiki/Royal_Enfield_(India)

• http://royalenfield.com/aboutus/history/

• http://www.autoevolution.com/moto/royal-enfield/

• https://royalenfieldbullet.wordpress.com/about/

• https://rideapart.com/articles/guide-to-motorcycle-categories

• https://en.wikipedia.org/wiki/Motorcycle_frame

• http://business.mapsofindia.com/automobile/two-wheelers-manufacturers/
royal-enfield-motors-india.html

• http://www.bloomsbury.com/uk/thinking-objects-contemporary-approaches-
to-product-design-9782940439317/

• http://www.fastcodesign.com/1670632/itypewriter-yes-its-an-ipad-typewriter

• http://www.instructables.com/id/Build-Your-Own-ELECTRIC-MOTORCYCLE/

• http://www.zeromotorcycles.com/technology/

• http://www.goldenmotor.com/eMotorcycle/frame-emotor.htm

• http://www.autocarindia.com/

• http://www.team-bhp.com/forum/

• http://www.houzz.com/ideabooks/1331132/list/so-your-style-is-contemporar

• http://blog.relishinteriors.com/modern-vs-contemporary-whats-the-difference/

• http://www.motorcycleexpeditions.com/history-of-royal-enfiled.php

• http://www.topgear.com/india

• Royal Enfield: The Complete Story by Mick Walker

Other Links:
• Useful resource e-links related to 'Product Design'
• Mobility and Vehicle Design at IDC IIT Bombay

Case Study Download:
• An Entry Level Royal Enfield......