The period before June 1984 was a dark period for Hindus and Jains of Punjab Hindu Jain temples were desecrated by Khalistani terrorists.

Here is a list Hindu Jain temples that were desecrated and the attack was documented. Just a tip of iceberg

26 April 1982:

Two Cow heads were placed at the gates of two Hindu temples in Amritsar. One of the temple was Durgiana Mandir

29 April 1982:

Tail of cow was deliberately thrown into Mahakali temple at Patiala

25 June 1983: A Pujari of a temple at Sultanpur Lodhi, district Kapurthala was killed with a sharp weapon. A servant of the temple was also injured

21 November, 1983:

Two Bombs were thrown on the premises of Hanuman Mandir, Yamuna Nagar, Haryana

Yamuna Nagar borders Punjab was also affected during Khalistani insurgency