Terming the Unnao and Kathua rape incidents as "despicable, regrettable and condemnable", Tripura Governor Tathagata Roy on Friday said targeting Prime Minister Narendra Modi with regard to the two cases was a "concerted slur" and he cannot be held responsible for such incidents. "What has the Prime Minister got to do with the rape cases that took place in Kathua and Unnao? Law and order is a state subject. What extent can the Prime Minister be responsible?