ചന്ദ്രന്‍ ഭൂമിയെ വലംവെയ്ക്കാന്‍ എടുക്കുന്ന സമയം:

Which country shares the shortest international boundary with India? 

The mountains come into being as a result of vertical earth' movements along cracks:

The upper atmospheric layer is known as:

Identify the order from bottom to top :

Which of the Metropolitan cities of India is nearest the Equator?