SP supremo Mulayam Singh Yadav has also taken a strong exception to unauthorised use of his photo, party symbol on hooters, flags, hoardings, visiting cards and stickers of party mission 2014.
"The national president has said that stern action will be taken against those found involved in such activities on charges of indiscipline," a party spokesman said here.
A circular has been issued to all the districts, city presidents and general secretaries in this regard.
They have been asked to send a list of violators every month, he added.
"The district where these directives will not be followed, its president will be considered to be accountable," he said.