On which date the ’World Sports Journalists Day’ is celebrated?

The minimum distance between an object and its real image in a convex lens is 

Where is ‘Jeddah Tower’ under construction since 2013?

Where is Imperial Towers in India?

Which country has announced to set up a Center of Excellence in Information Technology (CEIT) at Al Azhar University, Egypt?

When PSLV-C31/IRNSS-1E was launched by ISRO?