dear shahzad plan B k hona tu bhot zarrori hai per es mien plan b ka use karne ka time bhot kam hota hai es lie sab se phele ap ko chaye k ap halat ko dekhe aur ap apne mind ko jitna ziyada sharp kar sakte kar le kyun k es mien jitna ziyada mind ap ka sharp hoga then ap usi waqat plan b or c or d bana sakte hai.....