Which of the following has developed a long-range swarm attack drone called Sheshnag-150?

Which state government has recently launched the Lake and Air Watch initiative to address environmental problems caused by rapid urbanization? 

Who has been appointed as the brand ambassador of SBI General Insurance recently?

In which state is V.O. Chidambaranar Port located, which has launched India’s first Digital Twin platform to enhance the port’s operational efficiency?

Who among the following has been appointed as the Supreme Leader of Iran?