History 72 English usage 67 Standard Hindi usage 59 English language 55 Literature 47 Biography 43 Language 43 Korea 40 Standard English usage 36 Economics 33 Collected works 32 Standard English usage-Study and teaching 31 Usage 30 Literature Hindi 25 Examination 23 Mass media 22 USSR 22 Translation and interpretation-- Language usage (Applied linguistics) 19 ASP.NET 18 India 17 Teaching 17 UPSC 17 Computer science 16 English grammar 16 Hindi literature 16 Standard Malayalam usage 15 Dissertations, Academic (Ph.D) 14 Social aspects 14 Communication 13 Data processing 13