Amid fight in Samajwadi Party family, party patriarch Mulayam Singh Yadav has written to Rajya Sabha Chairman Hamid Ansari to remove Ramgopal Yadav from the post of parliamentary party leader of SP in the House.<br/><br/>In a tweet message, OSD to the Chairman said, a letter has been received from Mulayam Singh intimating expulsion of Ramgopal Yadav from the party. He said the letter will be duly examined.