From that link its quite clear that TN govt went only by the recommendations of joint meetings with GoK
under CWC to arrive at the decisions to strengthen the dam.
In fact all the steps mentioned in the Advt. y'day by TN seems to have been decisions that both governments agreed to.3 In 1979, reports appeared in Kerala Press about the safety of Mulla Periyar Dam. On 25th November, 1979 Chairman, CWC held discussions at Thirvananthapuram regarding strengthening Periyar dam with officers of Irrigation and Electricity, Deptt. of Kerala and PWD of Tamil Nadu. In the meeting, emergency measures to be completed before next monsoon (1980), medium term measures and long-term measures for strengthening of Periyar Dam were decided. One of the emergency measures was to keep the shutters of spillway raised fully to lower the reservoir level to 136 ft.
4. A second meeting under the Chairmanship of Chairman, CWC was held on 29th April 1980 at New Delhi and it was opined that after the completion of emergency and medium term measures in the form of cable anchoring, the water level in the reservoir can be restored up to 145 ft.
Now, if GoK can go back and claim victim status, why do you think that TN govt should trust whatever your politicians state in press/public
meets and finance a new Dam ?