“Yaar, teach me soft and hard links whenever you are free. It's like science fiction going above my head”, worried Mihir, shrinking his eyes and yawning at young Alok. Sooraj shook his spectacles and nodded.   “Guys sure let's revise during the last hour today. Fathima ma’am is on leave today”, replied young Alok, in his soft voice.   “Revise?”, exclaimed Sooraj. “Yaar, it's apparently a revision for you. But, it's the first time we are studying the topic. Explain accordingly.”   “Yes yes, I understand. Don’t worry it's very easy. I will teach you guys within a span of five