In which of the following cities the 3rd edition of the Council of International Maritime Aids to Navigation (IALA) was started?

In which of the following states is the Dudhwa Tiger Reserve located, where the rainbow water snake was found for the first time in its buffer area? 

A. M. Saravanan passed away at the age of 86. Who was he? 

Who among the following has been appointed as the Speaker of the Bihar Legislative Assembly?

Which country recently became a member of the International Big Cat Alliance?