Here are 10 developments in the story:
The urgent security meet featured top ministers Sushma Swaraj, Arun Jaitley, Rajnath Singh and Manohar Parrikar, besides Army Chief Dalbir Singh and National Security Adviser Ajit Doval.
The government also announced, at short notice, that the ministries of Defence and External Affairs would address a joint press conference.
The Defence Ministry's inclusion in the press briefing that is expected soon is both unusual and significant as so far, the government has indicated that its campaign against Pakistan will largely be centred around diplomatically isolating it.
The meeting was called as two ceasefire violations were reported within 24 hours along the border in Jammu and Kashmir.
Pakistani troops fired unprovoked on Indian posts in Naugam today, hours after targeting Indian positions in Poonch.
PM Modi had earlier pulled out of the SAARC summit in Islamabad, which led to three more countries opting out and current leader Nepal urging a "conducive environment that will ensure the participation of all".
On Monday, PM Modi held a meeting to discuss whether to massively reshape the 1960 Indus Waters Treaty on the sharing of the waters of six rivers with Pakistan.
India has taken a series of steps to penalize Pakistan for the attack in Kashmir's Uri, which led to the most number of deaths the army has seen in years.
On September 20, two days after the attack, Pakistani troops violated ceasefire in the same sector of Kashmir, targeting Indian army positions with small firearms.
PM Modi's meeting with officials of the External Affairs and Commerce ministries on downgrading Pakistan as a trade partner has been postponed to next week.
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