The Static Surveillance Teams and Flying Squads have seized Rs 11.60 crore up till March 20, the Election Commission of India said.
The cash, being carried sans proper supporting documents, had been deposited with the government treasury and a probe was on, a release quoting state Chief Electoral Officer Rajesh Lakhoni said.
Over 6.57 lakh ml of Indian Made Foreign Liquor (IMFL), scores of items like gas stoves, stainless steel pots, rice bags and cricket bats had also been seized by officials.
Elections to 234 assembly constituencies in Tamil Nadu are scheduled on May 16.