Maurya, who is the Leader of the Opposition in the state Assembly, left BSP amid speculation that he might join the ruling Samajwadi Party and could be made a minister when Chief Minister Akhilesh Yadav expands his Council of Ministers on June 27.
"I feel suffocated and cannot continue in the party any more," he said at a hurriedly-convened press conference here.
"Tickets are being openly auctioned by Mayawati on a large scale. She is not making the right choice of candidates. Tickets are not only on sale in the party, they are being auctioned," he added.