I'm sorry, I don't know the specific 'kitni mast hai zindagi' story. It could be about someone's exciting and fulfilling life experiences, like traveling to amazing places, meeting great people, and having a lot of fun adventures.
The title 'meri zindagi hai tu' (You are my life) itself suggests a story centered around a very important person or relationship in the protagonist's life. This could be what makes it interesting.
Since I'm not familiar with this exact novel, it's hard to be precise. However, if it follows Gulzar's style, it may be rich in descriptions of human nature, with themes like love, loss, and the search for meaning in life. It could be set in different landscapes, perhaps with a focus on the cultural and social aspects of the setting as well.
The general theme might be about the playfulness of life. Just like in 'aankh micholi' (hide - and - seek), life could be seen as a game full of surprises and fun elements.
I'm not very familiar with Urdu novels similar to 'meri zindagi hai tu' specifically. But you could try asking at local Urdu bookstores or in Urdu literature forums for similar works.
I'm sorry, I'm not familiar with the specific 'khelti hai zindagi aankh micholi' story. It could be a very unique or regional story that I haven't come across yet.
It could mean 'She is not just a girl, she is my life in my school love story'. It seems to convey that the girl in the school love story is very important, like she is his whole life.
I'm sorry, I don't know the specific 'Haseen Dillruba' story in detail. It could be a story from a particular culture, region, or a work of art like a movie or a book. You might need to provide more context to get a more accurate answer.