1st Dial 09045012345[toll free] then
4r language select 1 or 2. Then for
conformation select 1 type tata
docomo number.. Then select 6 on
main menu [ selp help tag] then select
4 and press 2 to act callertune on that
no. And if enemy bal is greater than
30rs. Or 30 rs. Balance will deduct. By
this trick u also know puk code ofthat
sim.