Mukesh Kumar. Various types of problems arising due to the deteriorating quality of underground water and their solution: भूमिगत जल की गिरती गुणवत्ता से उत्पन्न विभिन्न प्रकार की समस्याएं एवं उनका समाधान. rrijm [Internet]. 2023 Jan. 16 [cited 2026 Apr. 26];8(1):97-105. Available from: https://www.old1.rrjournals.com/index.php/rrijm/article/view/447