Regarding Huawei K4505


Hey guys!What's up?Alright so i bought a Huawei K4505 from theitbazaar for 2650.Got it today and now i'm clueless as to how to go about getting my connection ready.I'm gonna be buying an MTNL sim card tomorrow.What after that?Just put it in and stick the Modem to the Lappy and i'm good to go?And oh yes. How do i get this sim ready for 3g as in the connection and all.I'm buying a connection temporarily until i get more money from Pappa.So i want to go for the 499 25gb connection 7 days validity.Anyone here? Who can help me?What do i do after buying the sim?Baby steps please.Thick skull. B)Thank you very much.:)