Identification of Student
1.Books in bag,Faisalabad
2.Books in hands,Sialkot
3.Rolled books in jeans,Lahore
4.Without books but mobile in hands,Karachi
We Rock
All da elecTrons were having parTY suddenly proTons aTTacked ThemA herO came & saved da eLecTrons.TheY asKed hero "who r u?"he said "Bond .....Covalent bond"