Anil Kumar's attack was prompted by Sibal's interview in a newspaper which quoted him as saying that there was no "clarity" over internal polls and there was "disenchantment" in the party.
He said most legislations are not referred to parliamentary committees for scrutiny and because the government has a majority in Lok Sabha, "they really don't care".
The Guild was recently criticised by Padma Shri awardee and Shillong Times editor Patricia Mukhim who accused it of issuing statements only for celebrity journalists.
Didn't see his face in elections: Adhir Ranjan's dig at Kapil Sibal over latter's 'introspection' advice for Congress
Congress leader Kapil Sibal had, in an interview with a leading daily newspaper, advocated the need for introspection within the party in light of the results of the Bihar elections and MP bypolls.
Khurshid’s comments came even as the advisory group constituted to assist Congress chief Sonia Gandhi met and discussed the party’s performance with state in-charges.
'Doubting Thomases' suffering from periodic 'pangs of anxiety': Salman Khurshid on Sibal's criticism
Some senior Congress leaders including Kapil Sibal have called for introspection after the party's dismal performance in the recently held Bihar assembly polls.
US President Donald Trump described the air in India, China and Russia as "filthy" as he defended his decision to withdraw from the Paris climate accord.
Sibal's remarks come in the backdrop of the controversy over the letter written by 23 Congress leaders, including him, to Sonia Gandhi.
Some senior Congress leaders, including Sibal and Shashi Tharoor, met at their senior colleague Ghulam Nabi Azad's house on Monday evening after the CWC debated their letter to Sonia Gandhi.
It is noteworthy that all the aforementioned leaders were signatories to the letter written by over 20 leaders in which they had sought sweeping changes.
Things esalated when senior leader Kapil Sibal in a tweet, now deleted, said that after doing so much for the party, Rahul Gandhi is accusing them of 'colluding with BJP.'
In a tweet, the senior Congress leader Kapil Sibal said that after Rahul Gandhi's personal clarification he has withdrawn the 'colluding with BJP' tweet.
Defended Congress in Rajasthan, Manipur: Kapil Sibal slams Rahul Gandhi for 'colluding with BJP' remark
Sibal is among the 23 party leaders who have written to Sonia Gandhi seeking a "full-time" leadership that is active in the field.
Unhappy over Rahul calling shots, party veterans wrote to Sonia: Sources on Congress leadership crisis
Senior party leaders say that among the signatories, Rajya Sabha MPs Ghulam Nabi Azad, Anand Sharma and Kapil Sibal, seemingly drafted the letter.
Delay in convening House session has led to constitutional impasse: Ex-law ministers to Rajasthan Governor
Ashwani Kumar, Kapil Sibal and Salman Khurshid said the governor's office, as envisaged under the country's constitutional scheme, is above and beyond the partisan politics.