Later works of drama such as the Sandakinduru Nadagama, Vessantara Nadagama, Pabavati, Kada Valalu, Kala gola and Pemato jayati soko are based on jataka stories.
In the process of problem solving, we adopt the concept of DOS to assess the network survivability and use the Lagrangean Relaxation method and the subgradient method to approach the optimal solution.