Speaking at a press conference in Ayutthaya on Sunday, Pol Gen Pongsapat was full of praise for the police units which took part in the operation.
He said 20 drug suspects have been arrested and 21,313 methamphetamine pills and three guns seized. Police also seized about 15 million baht worth of assets believed to have been acquired through the drug trade.
Two drug gangs were smashed.
The first gang was led by Pichit Chaichana, 48, a lawyer who opened an office as a front for the trade in methamphamine. Mr Pichit was arrested on information from drug suspects nabbed by police.
Key members of the second drug gang were also arrested. They are Apiwat Limskul who was caught with 18,000 methamphetamine pills, Chualaporn Pansaen who had 1,500 speed pills in Bang Pa-in district and Itthipol Supapsuk with 1,000 speed pills in Wang Noi distict.
They claimed to have ordered methamphetamine pills from Komsak Laksanayothin, a drug convict being detained at Khlong Phai Prison in Saraburi's Muak Lek district.
Information from them led to the arrest of more suspects including Montri Chanarattanapaisal, Thongsuk Thongborisut, Veerasak Namta and Kitipol Hongsa-nga who are accused of running the methamphetamine trade in Wang Noi, Uthai and Bang Pa-in districts of Ayutthaya.
Under the Task Force Ayutthaya 57 operation, combined units of military, police and volunteers laid seige to and searched 10 targets in nine districts of Ayutthaya, a main storage area from which the drugs were distributed to pushers in various communities in Bangkok and other central provinces.