The capital city of Chera Kings ?
Name the key to Indian pre- historic archaeology :
Name an Indian King whose 500th coronation was clebrated recently.
Who was the first non - congress Prime Minister of India ?
The increase in agricultural production in 1971 resulted in a wheat revolution. it is referred to as the Green Revolution .Who was the Prime Minister at that time ?
Dr. Hermann Gundert who enriched Malayalam language is a :