Name the British officer  who discovered the Edakkal Caves?

Which monsoon in kerala was otherwise known  as Hippalus Wind ?:

Name the social Reformer  who became  the member of Srimulam Praja Sabha ?:

Which was the journal that functioned as the mouthpiece of Yogakshema sabha ?

Which was the Arabic-malayalam monthly  Started by Vakkom Abdul Kadir Moulavi ? :

Which river of kerala is mentioned  as ' Choorni' in Arthasashtra of Kautilya ?