New Delhi, Nov. 13 -- Two prominent exit polls released on Wednesday somewhat differed on their assessment of the Bihar assembly elections, with Axis MyIndia predicting a narrow victory for the National Democratic Alliance and Today's Chanakya forecasting a bumper win for the ruling coalition. The development came a day after every exit poll released on Tuesday showed Bihar chief minister Nitish Kumar on course to return for a record fifth term and the NDA headed for a comfortable majority in the high-stakes assembly elections. To be sure, exit polls are not always accurate and have often got the verdict wrong in earlier elections, especially when diverse populations, castes and communities are at play. Many pollsters adopted a low-key appr...