India, March 6 -- Overseas Citizen of India (OCI) cardholders can't undertake Tablighi Jamaat, journalism, research or mountaineering activities without special permission from the Centre, according to rules prepared by the Union home ministry.

A home ministry spokesperson said these rules prepared by the Foreigners' Division were part of a brochure issued on November 15, 2019. The rules were consolidated and notified on Thursday.

The OCI cardholders, including PIO cardholders, are foreign nationals holding the passport of another country and are not citizens of India.

According to the notification, starting from March 4, OCI cardholders are "entitled to multiple entry lifelong visa for visiting India for any purpose provided that they...