Govt. Hnahthial College observed Green Mizoram Day on 11th June 2026 with the objective of promoting environmental awareness and enhancing green cover. The programme was jointly organized by the Eco Club, NCC, and NSS Unit of the College.

The activities undertaken during the programme included tree plantation, clearing of the plantation site, and fencing of the newly planted saplings at the junction of the Bypass along National Highway-2. The Principal of the College inaugurated the plantation drive by planting an Alstonia (April) tree.

A total of 20 saplings were planted during the programme. The event saw active participation from students and staff, with 19 participants in total. The programme ran successfully and shows the institution's commitment to environmental conservation and sustainable development.