Synopsis According to the new DoT directive, from June 15, those holding ISP licenses, including the likes of state-run GAIL, Power Grid and Oil India, can only install equipment from the trusted products list. ISPs would also need to take permission from the designated authority for upgrading existing network. Agencies The latest move may prove expensive for ISPs. "This will increase the cost since ISPs heavily depend on Chinese equipment in some form or another,” said an official. The Department of Telecommunications (DoT) has brought in the clauses of ‘trusted sources’ and ‘trusted...