Former Andhra Pradesh CM and TDP chief N Chandrababu Naidu and 19 other party leaders have been booked for attempt to murder, rioting and criminal conspiracy in connection with recent violence in Annamayya district. "Naidu instigated TDP workers to attack YSRCP activists with lethal weapons at Angallu village during his tour to the area," SP R Gangadhara Rao told reporters.