Both leaders were accused of using objectionable language against the assembly speaker during the budget session last year, they added.
The committee has 12 members and is chaired by Congress MLA Sukhjinder Singh Randhawa. Its members include Congress MLAs Angad Singh, Pargat Singh, Ramanjit Singh Sikki, Nathu Ram, Pritam Singh Kotbhai, Sunder Sham Arora and Tarsem Singh, AAP MLAs Baldev Singh and Rupinder Kaur Ruby, and SAD MLAs Lakhbir Singh Lodhinangal and Pawan Kumar Tinu.