n:-What is the latitudinal extent of India?What is the total length of coastline of the mainland including Andaman & Nicobar &Lakshadweep ISLANDS? What is Infant Mortality Rate?What do you mean by the term UNEMPLOYMENT?Mountain ranges in the eastern parts of India, forming its boundary with Myanmar  are collectively calledAnswer:-India is located in the northern hemisphere of the WORLD. From the extends south to north, the mainland of India extends between 8°4'N and 37°6'N latitudes. From the other extends west to east, India extends between 68°7'E and 97°25'E longitudes.The total length of the coastline of the mainland, Lakshadweep Islands and Andaman & Nicobar Islands is 7,516.6 km.Infant Mortality Rate (IMR) is the number of deaths of infants under one year of age per 1000 live births.Unemployment is a situation when a person actively searches for a job and is UNABLE to find work. Unemployment indicates the health of the economy. The unemployment rate is the most frequent measure of unemployment.Mountain ranges in the Eastern Part of India forming its bundaries with Myanmar are collectively called as Purvachal.