With whose collaboration has the Ministry of Education developed the Saathi app to assist students preparing for competitive examinations? 

Hermann Kulke has died at the age of 87. Who was he?

Off the coast of which of the following states, DRDO and Indian Navy have successfully test-fired indigenous air droppable container ADC-150 from P8I aircraft?

Recently, by whom has the SHINE app been launched for the safety of women?

Which of the following states has recently successfully tested its first sounding rocket?