Which of the following is the first Bio-Village (Green Village) in Tripura?

Concept: A "Bio-Village" (also called a Green Village) is a rural-development model that integrates renewable-energy solutions (solar/biogas), organic and bio-input based farming, and biotechnology-driven livelihood programmes into a single village, making it self-sufficient and environmentally sustainable; different Bio-Village units in a state may be implemented by different departments or funding sources under this common umbrella concept.

Application: In Tripura, this model is most prominently associated with Daspara, a locality in the Charilam assembly constituency of Sepahijala district, about 25 km from Agartala. The Tripura Renewable Energy Development Agency (TREDA), working with the state's Department of Biotechnology, developed Daspara into what is widely reported as the state's flagship (and, per multiple news reports, the country's first) Bio-Village, integrating clean-energy infrastructure with organic farming and biotechnology-based livelihood generation for local residents.

Contrast: The other three options are real Tripura localities but none carries a Bio-Village designation:

• Vanghmun sits in the Jampui Hill RD Block of North Tripura district — a hill-range area far from Sepahijala district, with no bio-village project.

• Santinagar is a Gram Panchayat in Khowai district — a different district from Sepahijala, with no bio-village project.

• Dakshin Gokulnagar is a Village Committee under the Mungiakami R.D. Block of Khowai district — again a different district from Sepahijala, with no bio-village project.

Cross-check: Independent reporting corroborates Daspara's distinction: Tripura's Chief Minister publicly credited the project when it was highlighted in the Prime Minister's "Mann Ki Baat", and separate regional coverage (Tripura Tribune, ThePrint) both name Daspara — not Vanghmun, Santinagar, or Dakshin Gokulnagar — as the site of this flagship Bio-Village. (A few smaller, ONGC-funded bio-village pilot units at Brajendranagar, Amtali, and Ichamura, and a later, separate "Bio-Village 2.0 Solar Hamlet" scheme elsewhere, are distinct department-specific initiatives and do not appear among this question's answer choices.)

Answer: Among the four options offered, Daspara is the best-supported answer: it is the only option with any documented Bio-Village association, and multiple independent news reports describe it as Tripura's first (TREDA-led flagship) Bio-Village (Green Village).