History 80 മലയാളം; മലയാളം നോവല്‍ 68 Economics 61 Malayalam; Malayalam Novel; Literature; Malayalam Fiction 51 Biochemistry 44 English drama 38 English literature 37 മലയാളം; മലയാളം സാഹിത്യം; മലയാളം ചെറുകഥകള്‍ 36 English poetry 35 Mathematics 35 Malayalam; Malayalam Literature; Malayalam Short Stories 31 Education 30 മലയാളം; മലയാളസാഹിത്യം; മലയാളം കവിതകള്‍ 30 Philosophy 29 Economic growth and development-- Economic Planning 28 India 27 Criticism 26 Malayalam; Drama 26 Physics 26 Sociology 26 മലയാളം; നാടകം 26 Malayalam; Malayalam Literature; Malayalam Poetry 25 Soil science 24 Genetics 21 Poetry 21 Soil fertility- Fertilizers 21 BIOLOGY 20 Biochemica et Biophysica Acta (Journal) 20 Malayalam Literature; Malayalam Drama; Malayalam Play 19 Literature 18