Once known to be the most important industrial hubs, West Bengal has slipped from its higher position to a middling position in the national map. In spite of high intellect and virtues, the state has significantly dropped in educational ranking resulting in the youth moving elsewhere for their higher studies since the time of beginning of nineteen seventies. "Kal Aaj Kal" revolves around the story of Navendu, born in a poor family, meritorious in intellect, who left his native place at an early age for higher studies and how his progress stays unaffected by the hurdle of life.