Among the various longitudes passing through India which one forms the basis of the Indian Standard Time?
Name the river which divides the region into two plateaus Malwa and Deccan?
The parallel of 23 ½° north is called
The first man to reach South Pole was
Seismograph is an instrument used for recording
കേരളത്തിലെ ഏറ്റവും കുറവ് ജനസംഖ്യയുള്ള താലൂക്ക്