To ensure compliance with global maritime standards, India is banning all foreign and Indian ships above 25 years of age from being registered under the Indian flag. This is part of the plan to improve tonnage safety and to make the fleet younger.
For tugs, gas carriers, cellular container vessels, offshore fleet, dredgers, and geotechnical vessels, the ban is for ships older than 30 years, while for cargo ships, tankers and bulk carriers, it is set to 25 years.
For barges, anchor handling and...
https://www.marineinsight.com/shipping-news/india-to-ban-ships-older-than-25-years/