Baldev Singh, an Aam Aadmi Party (AAP) MLA from Jaito, resigned from the primary membership of the party on Wednesday."I am pained to forward my resignation from the primary membership of AAP because the party has completely given up its basic ideology and principles," Baldev wrote in his letter to Delhi Chief Minister and AAP president Arvind Kejriwal.In his letter, Baldev cited Kejriwal's dictatorial, arrogant and autocratic style of functioning."As a result of your dictatorial, arrogant and autocratic style of functioning, pioneers of AAP like Prashant Bhushan, Yogender Yadav, Medha Patikar, Kiran Bedi, Dr. Gandhi, H.S.Khalsa, Sucha Singh Chottepur, Gurpreet Ghuggi, Ashish Khetan, Ashutosh, H.S.Phoolka etc. have all left the party or have been thrown out in a humiliating manner," he said.Baldev is believed to be a close aide of Punjab MLA Sukhpal Singh Khaira, who also resigned earlier this month from the primary membership of AAP.In a letter to Kejriwal, Khaira had said that the .