- Ground Water Quality Status by Location in Darjiling District of West Bengal (2022) - Part I
- Ground Water Quality Status by Location in Darjiling District of West Bengal (2022) - Part II
- Ground Water Quality Status by Location in Darjiling District of West Bengal (2021) - Part I
- Ground Water Quality Status by Location in Darjiling District of West Bengal (2021) - Part II
- Ground Water Quality Status by Location in Darjiling District of West Bengal (2020) - Part I
- Ground Water Quality Status by Location in Darjiling District of West Bengal (2020) - Part II