Which issues did TN CM Vijay raise with PM Modi during their 20-min meet?

Tamil Nadu CM Vijay, during his 20-25-minute meeting with PM Narendra Modi, raised key issues, including clarification on playing the state anthem before Vande Mataram at official events and halting Karnataka's proposed Mekedatu dam project. He sought Centre's intervention to secure the release of fishermen detained by Sri Lanka, besides requesting a DRDO Centre for Airborne Systems in Tamil Nadu.