________ states and UTs have so far joined a pan-India network of single emergency helpline number '112' on which immediate assistance can be sought by anyone in distress.

________ states and UTs have so far joined a pan-India network of sing

1.	________ states and UTs have so far joined a pan-India network of single emergency helpline number '112' on which immediate assistance can be sought by anyone in distress.
A.	15
B.	18
C.	20
D.	23
E.	27
Answer» D. 23