He was in the Silicon Valley before it was called by that name. He is a pioneer who opened up the whole new field of fibre optics that effected change in ways that had seemed inconceivable earlier. He prospered, founded four companies and made millions of dollars much before other Indian hi-tech entrepreneurs. The man who "bent light", Narinder Singh Kapani, has been at the centre of the hi-tech world for over 50 years now and is still going strong at 70. Roopinder Singh met the ‘father of fibre optics’, who was in Chandigarh recently.