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"
bikari : 50 paise de de ,maine 3 din se khana nahi khaya baba
marvadi : 50 paise nahi 5 rupaye dunga,pehle yeh bata 50 paise mein khana kaha milta hai…”??