The collection also includes models from the Second World War era, including a motorcycle designed to be used alongside a helicopter. Udaipur: Ravi Kandhar, popularly known as the Bike King of India , has built a collection of vintage British-era motorcycles in Udaipur. His collection features 108 motorcycles dating back to the British era, including three customised with 24-carat gold and one made using 999-purity silver.