India is home to nearly 62 million diabetics - second only to China which has over 92 million diabetics. Diabetes management has become a huge business opportunity and the last few years have seen an array of non-intrusive insulin delivery methods and non-needle glucose monitoring systems - flooding the markets in different shapes sizes and price tags. A recent such discovery which is likely to reach diabetics in the next few years is by tech giant Google - where the company is testing a 'smart contact lens' that can help measure glucose levels in tears. Google's new 'Smart Contact Lenses'