He was addressing people after holding a 'Paschatap Samagam' organized here.
A bhog of Sri Akhand Path Sahib (continuous recitation of hymns) was organized by the minister as repentance over the sacrilege incidents.
Joshi said, "we should stay united to thwart attempts of anti-social elements, which are on their sole mission to destabilise the hard earned peace."
He said the state government was tirelessly working to expose the "entire conspiracy" behind these incidents.
He said that perpetrators of this heinous act were hell bent upon creating trouble in Punjab.
The occasion was attended by BJP National Secretary Tarun Chugh, Mayor Bakshi Ram Arora, BJP District President Naresh Sharma, among others.