Shivraj Patil recently passed away at the age of 90. Who was he?

On which of the following days is World Soil Day celebrated every year? 

In which state has the Chief Minister Bharat Darshan Yojana been launched for students from classes 9 to 12?

Which of the following states has been declared Naxalism free recently?

In which state is the Tenkasi district located, where a conservation program called ‘Golden Jackal Ambassador’ has been launched to protect the rapidly declining population of golden jackals?