I Need a help

Can anyone tell me in which episode tarika shifted to a house where she was hearing voices and not concentrating on work.. i missed the episode

can anyone help me with the episode name

I can't recall the name of the episode. But in a nutshell it is like this:
A lady is murdered in a mall, she had her little son with her but the murderer put the the baby in the parking area and fled. CID team rescues the baby and find her father. They came to know the victim was a model, she came to know about a drug racket and started blackmailing them. The drug peddler was a model co-ordinator. Tarika's broker was attached with the drug paddler made tarika to destroy evidences in the forensic lab. Daya-Abhi caught her red handed and then the case was solved.
All are welcome to make corrections if I am wrong.

the episode name was aawaazein it was aired on 18-Dec-2009