Under the four-phased plan, Bangalore, Delhi, Chennai, and Kolkata were supposed to have been covered by June 2023, followed by Ahmedabad, Mumbai, Bhubaneswar, Raipur, Hyderabad, Jaipur, Lucknow, Coimbatore and Pune by September 2023. By the end of the December quarter in 2023, Vizag, Bhopal, Ludhiana, Guwahati, Agra, Vadodara, Patna, Vijavawada, and Chandigarh would have been covered, and by the of fiscal 2024, Surat, Nagpur, Indore, Jamshedpur, Goa, Cochin, Kanpur, Ranchi were also supposed to have switched to the cassette-swap model.
However, despite having missed three previous deadlines, banks have now missed the latest one as well, set for the end of FY25.