MADHUMITA SHARMA β-CYCLODEXTRIN MEDIATED SYNTHESIS OF CHITOSAN AND κ-CARRAGEENAN BASED HYDROGEL AND ITS APPLICATION IN WASTE-WATER TREATMENT - JALANDHAR DEPARTMENT OF CHEMISTRY Dr. B R Ambedkar National Institute of Technology Jalandhar- 144008 Punjab 2023 - 102P THIS THESIS BELONGS TO DEPARTMENT OF CHEMISTRY Dewey Class. No.: 540