Read the following information carefully to answer the given questions.  In a family of 9 members- Jyotsna, Lavanya, Mahesh, Megha, Prem, Priya, Ram, Supriya, and Vijay. There are 2 married couples in the family. Further following information is known:  
a) Prem is son of Mahesh.  
b) Prem is married to Priya.  
c) Jyotsna is sister of Priya.  
d) Lavanya is daughter of Prem’s father, Mahesh and she is married to Ram’s son, Vijay.  
e) Jyotsna is aunt of both Supriya and Megha. 
f) Vijay has no child.