Sushma and Vimla are friends and Prem's girl friend is friendly with Sushma. This means that Prem's girl friend is Vimla.
Ved's girl friend does not like Sushma and Vimal. So, she is either Kusum or Poonam. But Kusum does not care for Ved. So, Ved's girl friend is Poonam.
Sushma does not like Raj. So, Raj's girl friend is Kusum.
Clearly, Ashok's girl friend is Sushma.
So, Raj's girl friend is Kusum.