Re: only if you had read & knew principles of basic science
u can always recharge ur cell (small ones) on tawa (jis per chaptian bunti hain)
n Dushi> nope i never had phooti kori in my pocket. (i used to carry big amount 
)
or larkyoon ke pockets itni bari nahi hoti k wo yeh geeky guyish kinda cheezain lay lay ker phirin 
surkhi powder or sheesha phir kahan rekhain ge 
or zayda ter larkay theray nikama so battery ka unho nay kia kerna hai.
or perhako in coins say he to battery lay ker atay hain.