Foreign Filing Permission (FFP)
India is one of those countries where local inventors are supposed to obtain permission[1] from its national Patent Office to either file or cause to file a patent application outside India, e.g., a direct patent filing in a foreign country or even a direct Patent Corporation Treaty (PCT) application.
Mr. Joginder Singh discusses about the requirements of Foreign filing permission in India is his latest Lexology article https://www.lexology.com/