Principal cities: Delhi, Mumbai, Chennai, Kolkata, Bengaluru, Hyderabad, Ahmedabad, Pune, Surat, Jaipur, Kanpur, Lucknow, Coimbatore, Indore, Kochi, Guwahati, Madurai, Tiruchirappalli, Ludhiana, Visakhapatnam, Patna, Varanasi, Bhubaneswar, Srinagar, Puducherry, Port Blair, Colombo, Jaffna, Trincomalee, Kandy
"India time". 24timezones.com. Retrieved 2018-01-16. https://24timezones.com/current_local/india_time.php ↩
"Sri Lanka Time". 24timezones.com. Retrieved 2018-01-16. https://24timezones.com/current_local/sri_lanka_time.php ↩
"Time Zone & Clock Changes in Kathmandu, Nepal". www.timeanddate.com. Retrieved 2020-11-25. https://www.timeanddate.com/time/zone/nepal/kathmandu ↩
"Current local time in India". www.worldtimeserver.com. Retrieved 2022-04-29. https://www.worldtimeserver.com/current_time_in_IN.aspx ↩