Kartavya movie review: The film stars Saif Ali Khan in the lead role. Kartavya movie review:  Small town upright cop up against the all-powerful mobster. That could also be read as monster. Because the bad guy in Kartavya is yet another variant of the dhongi baba from Ashram, and several others that I’m finding hard to remember now because there have been so many of varied stripes but who broadly adhere to the ground rule: the more beatific you look, the more depraved you are. It says something about the utterly generic Kartavya , a crime thriller set in Haryana, that the good guy, played by Saif Ali Khan is surrounded by a bunch of bad guys — a senior cop (Manish Chaduhuri) who keeps blocking Pawan’s (Saif Ali Khan) path, and a junior cop (Sanjay Mishra) who is a constant companion, basically playing the BFF trope, and not one of them has been given a characteristic that we haven’t seen before. The streaming rule 101 — Let There Be A Body Within A Few Minutes Of The Opening — is faithfully ticked off.…