NEW DELHI, Oct. 20 -- Union minister Kiren Rijiju said on Monday said there was no impropriety or irregularity in Parliament not being prorogued since the monsoon session ended in August as there was "no constitutional requirement" prescribing a specific period within which a House must be prorogued following its adjournment sine die.

In a letter to Congress chief Mallikarjun Kharge, the minister also said that he had reached out to the Congress unsuccessfully and added that consultations were held with a number of other opposition parties, including the Dravida Munnetra Kazhagam and Samajwadi Party.

This came in the wake of Kharge writing to Prime Minister Narendra Modi, complaining that the House was not prorogued even 64 days after b...