Indus, a three-way joint venture between Bharti Infratel, UK’s Vodafone Plc Group and Vodafone Idea, is in advanced talks with all three companies to lease out its shareable dark fibre resources in Vadodara, Gurgaon and Dehradun where the telecom tower company is rolling out fibre infrastructure for smart cities. Around 100 route kms of dark fibre will be available for customers in each of these markets, the executive said.