- Ground Water Resources Availability, Utilization and Stage of Development in North District of Sikkim (As on 31st March, 2023)
- Ground Water Resources Availability, Utilization and Stage of Development in North District of Sikkim (As on 31st March, 2022)
- Ground Water Resources Availability, Utilization and Stage of Development in North District of Sikkim (As on 31st March, 2020)
- Ground Water Resources Availability, Utilization and Stage of Development in North District of Sikkim (As on 31st March, 2017)
- Ground Water Utilization and Projected Demand in North District of Sikkim (As on March, 2011)
- Ground Water Resources Availability in North District of Sikkim (As on March, 2011)
- Ground Water Resources Availability in North District of Sikkim (As on March, 2009)
- Ground Water Utilization and Projected Demand in North District of Sikkim (As on March, 2009)