Mujhay ptcl evo 3g kay bary main kuch info darkar hay.us kay jo packages hain jesy 899 rs main 5gb hay kia us main taxes shamil hain?.us ka default package konsa hota hay?.aur kia package change karwany kay charges hain aur kitnay hain?.aur kia kisi month evo ko use na karna chaho to aisi mumkin hax?