So far, 100 people have been arrested for their alleged involvement in the incident, the police said, adding that 45 were arrested on Sunday.
Earlier, some hardline clerics had warned the government not to allow the construction of the temple in Islamabad.
In Pakistan, the Indian envoy was reportedly summoned on Monday to convey the serious concern of the government over the deaths.
The youths dive into the sea from time to time to retrieve the objects thrown by the worshippers and visitors to the temple.
Discrimination amid pandemic: Pakistan denies food supplies to Hindus, Christians as coronavirus rages
The country's Hindus and Christian minorities are not being given food supplies by authorities, saying they are meant for the Muslims.
Around 56 pilgrims alleged that they have faced atrocities in the neighbouring country and have pleaded to the Indian government to provide them shelter.