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