The first Malayalam Lexicon was prepared by:

Which one of the following drug is present in tobacco?

A unit used for measuring the loudness of sound is:

Who gave the slogans ‘Delhi Chalo’ and ‘Jaihind’?

which one of the following communist leaders in Kerala is known as’ Saghavu’?

Which one of the following right was described by B.R. Ambedkar as ‘the heart and soul of the constitution’?