It is highly probable that this name is a combination of terms from several distinct and popular motorcycle lines in India: Likely Components of the Name
: Almost certainly refers to the Kawasaki Ninja series, a world-famous sportbike family including models like the Ninja 300 and the touring-focused Ninja 1100SX . Indian Ninza 121NSzip
: "NS" is a signature branding for Bajaj Pulsar NS series (e.g., Pulsar NS200), which stands for "Naked Sport." Current Popular "Ninja" Models in India It is highly probable that this name is
: Likely refers to Indian Motorcycle , a high-end American brand known for cruisers like the Chief Vintage . Indian Ninza 121NSzip