I purchased Oxford Advanced Learners dictionary from flipkart about 20 days back online from Amazon.
I bought the nineth edition dictionary of oxford which comes with a audio DVD is very helpful for fluent prononunciation of words.
Words of this dictionary is very simply explained. This is very easy to understand.
Some difficult words which occasionally not seen in some dictionary are easily findable in this dictionary.
I am enjoying this dictionary by improving my word power every single day with 99% accuracy from a trusted brand like Oxford.