The Welfare Party of India didn't carry Italian flag in pro-Palestine protest in Kerala, they carried their own flag which is very similar to the Italy flag
The report says the police has asked the temple administration to remove saffron flags and torans which were put up as part of decoration for the festivals.
Khalistani elements claim parts of Haryana and Himachal Pradesh, which formed part of Greater Punjab till 1966, as part of 'Khalistan', an idea supported by ISI backed separatists. They want to 'liberate' Himachal Pradesh and Haryana and 'merge' into 'Khalistan'.