A civilian and three alleged militants were also among those killed in Monday's confrontation.
Top military commander in Indian-administered Kashmir on Tuesday accused Pakistan's Inter-Services Intelligence (ISI) of "controlling" the attack claimed by a Pakistan-based armed group, Jaish-e-Mohammad (JeM).
The attack has led to calls within in India for a firm response against Pakistan.
Government forces launched a massive hunt after an explosives-packed van rammed a convoy transporting 2,500 security forces in Thursday's assault.
An Indian Army soldier carries a rocket launcher near the site of a gun battle between suspected militants and Indian security forces in Pulwama, February 18, 2019. All the injured are stable and are doing well said the Corps Commander.
The CRPF personnel were killed when a JeM terrorist rammed an explosive-laden auto into a vehicle carrying them in Jammu and Kashmir's Pulwama.
The suicide bomber was identified as a local Kashmiri aged between 19 and 21.
Rebels have been fighting Indian rule since 1989, demanding Indian-controlled Kashmir be united either under Pakistani rule or established as an independent country.
The bomb attack has caused outrage in India with calls for revenge circulating on social media, and rising animosity towards Kashmiri Muslims in other parts of the Hindu-majority country, to the alarm of rights groups. The two countries have fought three declared wars since their formation in 1947 and countless undeclared conflicts.
Pakistan also told the ambassadors that the current Indian administration was trying to use anti-Pakistan rhetoric to gain votes in the upcoming elections and warned of the possibility of more attacks before polling starts in April.
Many students have been reported to have fled their universities in fear. "And this (message) is for the Indian government". His parents said he had joined a militant group after being beaten by Indian troops in 2016. "You want to make Islamabad your whipping boy again and again", the prime minister said, addressing the Indian government. It was the worst single attack against Indian forces in Kashmir.
For the first time, the U.S. has publicly given the green light in advance for any Indian military action against Pakistan in the name of "self-defence against cross-border terrorism". "We'll be deciding soon how to remove the photo", he said.
The US response last week underscores just how far the Trump administration is ready to go in rallying India in its diplomatic, economic and strategic confrontation with China. It has revoked Pakistan's Most Favoured Nation trading status, raised customs duties to 200% and vowed to isolate it in the global community.
Additionally, he spoke to the Aaj Tak Hindi news this week, saying that the "Indian team is powerful enough to win the World Cup without playing Pakistan".
The attack in Pulwama was reported on Thursday, February 14, when a local militant affiliated to the Jaish-e-Mohammed rammed a auto full of explosives into a CRPF convoy. And we will take action not because of [external] pressure, but because these people would be enemies of Pakistan.