Sources said that protesters has taken the decision to show the black flag as Karunanidhi has been supporting the Koodankulam Nuclear Power Plant Project (KKNPP).
Moreover, protesters also expressed displeasure as DMK chief did nothing when Tamils were killed in Lanka. They also blamed the present power crisis prevailing in the Tamil Nadu to the hurdles created by the DMK and the Centre.
The PMANE coordinator SP Udayakumar has strongly demand to close down the KKNPP as it threatened the livelihood of fishermen. He also said that that fishermen across TN would not go for fishing on Mar 15 and they will hoist black flags in their villages on the day.