https://www.epo.org/en/service-support/faq/searching-patents/asian-patent-information/india/filing-grant/what-time-limit

What is the time limit for responding to official actions in India?

You should comply with all the legal requirements and meet all the objections put forward in the First Examination Report (FER) as soon as possible. If you fail to respond to the FER within 6 months of the date of issue, your application will be deemed to have been abandoned.

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