Explanation:

Udyog Parva chapter of Mahabharata deals with fruitless efforts to bring about peace between the Kurus and the Pandavas. The Udyoga Parva, or the Book of Effort, is the fifth of eighteen books of the Indian Epic Mahabharata. Udyoga Parva traditionally has 10 sub-books and 199 chapters. The critical edition of Sabha Parva has 12 sub-books and 197 chapters. Udyoga Parva describes the period immediately after the exile of Pandavas had ended. The Pandavas return, demand their half of the kingdom. The Kauravas refuse.[1] The book includes the effort for peace that fails, followed by the effort to prepare for the great war - the Kurukshetra War.