“Transforming an ancient city into a modern one comes with its own unique challenges. But special care is being taken to preserve Varanasi's ancient heritage, its amalgamative culture while ensuring that it rivals cities of the future in terms of infrastructure and facilities, Uttar Pradesh government is taking all possible steps to ensure Varanasi becomes clean and PM Modi’s vision of a cleaner India becomes possible, said Suresh Kumar Khanna Urban Development Minister, Uttar Pradesh said.