Thursday, June 04, 2015, Agra: Tourists visiting the Taj Mahal will be able to enjoy 30 minutes of free Wi-Fi usage from June 16. For every additional hour, Rs 30 would be charged. The project is a part of the Central government’s ‘digital’ initiative. According to sources, the Archaeological Survey of India (ASI) has collaborated with Bharat Sanchar Nigam Limited (BSNL) for this service.