friends ma na 1mbps ptcl student package lagaya hua hai, daily monthly bill tax mila k 1870 rupees aata hai.. ab ager ma 1mbps package ko 2mbps ma change kardu.. to plz koi bata sakta hai k phir tax wagira mila k katna bill ayega ? aur package ko kaise change kar sakta hu kes number pa call kar k ma apne package ko change karsakta hu ?plz detail se bata de thanks.