Kirmiravadha is the thirtieth upa parva included in the third maha parva, named as Vana parva or Aranyaka parva in the epic Mahabharata. The original epic was
composed by Vyasa in Sanskrit. Vyshampayana had narrated the historical events which belonged to the period spent in forests to Janamejaya, on his queries.
The two main incidents of this upa parva were killing of the demon Kirmira by Bhima and the chase and killing of another demon Salva by Krishna who attacked Dwaraka in vengeance against the killed demon called Shishupala.
What was discussed between Dritarashtra and Sanjaya and what was the result?
Dritarashtra had politely ordered Sanjaya to invite Vidura back to his palace, and in case if he would not return he should be honored and pleased with donations.

What was discussed between Dritarashtra and Sanjaya and what was the result?
Dritarashtra had politely ordered Sanjaya to invite Vidura back to his palace, and in case if he would not return, he should be honored and pleased with donations.