This had led to counter-protests and then sectarian riots, leading to 1,500 Catholic refugees moving south to the Republic of Ireland.
A local representative said "It was as if the UDA were showing them how to run a sectarian riot".
The military regime of those years had been backing certain groups to strengthen its rule and Karachi underwent worst situation after the sectarian riots.
The Meerut report marked the second time this year that the police have been accused of failures related to a sectarian riot.
Fourteen police officers were injured during sectarian riots in Belfast on Sunday night, four of them by a homemade explosive.
"I think he targeted the workers because most of them are Shiite, and he wanted to ignite a sectarian riot."
Much of the increase arose from Catholic migration and there were serious sectarian riots in 1857, 1864, 1872 and 1886.
The same period saw the first outbreaks of sectarian riots, which have recurred regularly since.
He becomes involved in a sectarian riot in which he kills a Hindu.
The attack set off sectarian riots in the region in which 15 people died and forced the authorities to impose a curfew.