Girish Pai, Nirmal Bang, on his expectations from the IT sector earnings in Q4, says he sees a constant currency growth of 2.5 to 3% growth for midcap companies like Mindtree and Persistent Systems. For TCS, he sees flat margins compared with Q3. The Street view is barring Cyient, midcap IT companies could perform better than largecaps. The expert says they are positive on film exhibition business, prefers Inox to PVR. He explains the reasons for the upside in Bata and Blue Star.