Dissertations, Academic (Ph.D) 1,611 Criticism and interpretation 241 Thesis (Ph.D)-Chemistry 195 Kerala 146 Thesis (Ph.D)-English literature 146 Thesis (Ph.D)-Malayalam literature 142 Thesis (Ph.D)-Physics 122 History 106 Thesis (Ph.D)-Hindi literature 106 മലയാളം; മലയാളം നോവല്‍ 94 Thesis (Ph.D)-Economics 88 Thesis (Ph.D)-Botany 84 Thesis (Ph.D)-Commerce 82 Thesis (Ph.D)-Education 81 Fiction 76 Thesis (Ph.D)-Biochemistry 60 Poetry 55 Thesis (Ph.D)-Social sciences 50 Thesis (Ph.D)-Zoology 48 Arbitration and award 39 India 35 Malayalam poetry 35 Thesis (Ph.D)-Gandhian studies 33 Synthesis 32 Thesis (Ph.D)-Environmental science 28 American fiction 27 Leadership 27 Hindi poetry 26 Polymers 26 Malayalam fiction 25