The permissible use of the technique amniocentesis is for

Which stage acts as a bridge between childhood and adulthood?

Amniocentesis is a process to

Given below are two statements,one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R).$
Assertion $(A):$ Adolescence means both 'a period' and 'a process' during which a child becomes mature in terms of his/her attitudes and beliefs for effective participation in society.
Reason $(R):$ The period between $12-18$ years of age may be thought of as the adolescence period.
In the light of the above statements,choose the most appropriate answer from the options given below:

The 'family planning' program was initiated in .......

Identify the full form of $RCH$.