Uttar Pradesh Chief Minister Akhilesh Yadav was on 1 January appointed as the Samajwadi Party's national president at a convention.
The convention was presided over by Ramgopal Yadav.
According to media reports, Ramgopal Yadav during his speech said that Shivpal Yadav mislead Mulayam Singh Yadav all this while which prompted him to make wrong decisions.
Following the appointment, Shivpal Yadav and Amar Singh were expelled from the party at the national executive, reported a leading daily.
"This National Executive unanimously elects Akhilesh Yadav ji as the national president of Samajwadi Party," Ramgopal Yadav said.
"SP national convention proposes that Mulayam Singh Yadav be considered as supreme leader of the party and top brass will take guidance from him," Ramgopal added.
Akhilesh Yadav, at the event said that Netaji would be happy if SP returned to power following the upcoming UP election.
"If there is a conspiracy against my father, as his son it would be my responsibility to expose it," Akhilesh claimed.
Agar Netaji ke khilaaf saazish ho toh Netaji ka beta hote huye meri zimmedari banti hai ki main saazish ko saamne laaon:Akhilesh Yadav pic.twitter.com/vktjyWHfiy— ANI UP (@ANINewsUP) January 1, 2017
However, the SP family feud took another big turn when party chief Mulayam Singh wrote a letter asking workers not to attend the national executive meeting called his by cousin Ramgopal Yadav.
According to a report in Deccan Chronicle, Singh warned of 'strict action' against those attending the convention.
Mulayam Singh Yadav writes letter to party workers, asks them not to attend National Executive meet called by Ramgopal Yadav pic.twitter.com/cigXo5sSn8— ANI UP (@ANINewsUP) January 1, 2017