Ragini and Laksh met on a flight.

Before that they were college friends.

We learned about Lakshs and Kavyas relationship.

We learned about their breakup.

We learned about Raginis marriage.

Her almost rape attempt.

Her running away.

Kavya and Laksh relationship again.

Ragini and Laksh relationship.

Their graduation.

Ragini and Laksh relationship.

Raginis marriage.

So the timeline is:

1. Laksh and Ragini in college as best friends

2. Laksh and Kavya relationship and Ragini meeting Karan

3. Laksh and Kavya breakup

4. Ragini and Laksh relationship

5. Ragini and Laksh breakup

6. Ragini and Nikhil marriage.

7. Almost a rape attempt

8. Kavya and Laksh together again

9. Ragini and Laksh not best friends anymore.

10. Kavya and Laksh. Their breakup. Again.

11. The graduation

12. Ragini calling Laksh to her wedding

13. Ragini running away from her marriage

14. Laksh and Ragini on flight

15. Ragini and Laksh together.

16. Ragini back to India

17. Raginis marriage.