Bernstein Research initiated coverage on auto and software engineering services companies Persistent Systems Ltd., KPIT Technologies Ltd., Coforge Ltd. and Tata Elxsi Ltd. Citi initiates coverage on Affle (India), while Nuvama shared its outlook on Godrej Consumer Products Ltd. NDTV Profit tracks what the brokerages are putting out on stocks and sectors. Here are all the top calls from analysts that you need to know about on Tuesday....