Sources in SP, JD(U) and RJD said the parties have received the invitation, and their leaders will collectively decide on attending.
The anti-Karat faction said the plenum would also give them an opportunity to point out mistakes made by the leadership.
Yechury’s alternative draft forced an intense debate in the central committee.
Prakash Karat to revise a 35-year-old tactical line that has brought the party significant success, but seems to be flagging of late.
The Central Committee discussion, described by many leaders as intense and in-depth, is ongoing.
Yechury’s repudiation of the official draft is the latest incident in the tug of war between him and Karat.
Editorial in CPI publication said Modi’s die-hard supporters are bent upon raising all divisive issues.”
Sitaram Yechury said scrapping Planning Commission would affect welfare activities for poor and downtrodden.
Food inflation rose to 9.5 per cent in May against 8.64 per cent in April hitting the poor and marginalised hard, he said.
The CPM’s top leadership has received much criticism for the party’s sliding electoral performance in the last two elections.
Brinda Karat said media showed how TMC goons cast fake votes, but EC’s special observer did not get to see anything wrong there.
The cartoon, it seems, adequately describes the CPM’s take on the veracity and accuracy of exit polls.
Yechury said the consequences of such communal polarisation would have ‘serious consequences for the unity and integrity of India’
CPI-M leader said the need of the hour was a left democratic secular alternative to combat communal threat.
On March 6, CPI(M) and CPI had called off their month-old alliance with the Jayalalithaa-led party.