कोसी बहुउद्देशीय परियोजना कोसी नदी पर बनाई गई है, जिसे प्रसिद्ध रूप से किस राज्य का शोक कहा जाता है?

Who among the following founded the 'Forward Bloc'?

Which of the following statements regarding the Harappan Civilization is NOT correct?

Which ruler is generally credited with unifying much of Northern India under a single empire for the first time?