Cyrtodactylus montanus
Range
Jampui Hills, Tripura and Mizoram, north-east India
Size
Head and body at least 7.8cm
Cyrtodactylus montanus is a gecko endemic to the Jampui Hills in north-east India. It grows to at least 78 mm in snout-to-vent length (Wikipedia, general species account).
The Reptile Database lists Tripura and Mizoram. The account used here gives no further detail.