Twamev Construction and Infrastructure Limited, formerly Tantia Constructions Limited, is an India-based company. The Company is engaged in the business of infrastructure activities. The Company focuses on activities such as planning, design, construction, and maintenance within the infrastructure and construction domain. Its core business includes transportation infrastructure, railways, bridges, power transmission, public health engineering, aviation infrastructure, and urban infrastructure. The Company is involved in projects such as the Greater Shillong Water Supply Project; Up-gradation of Saiha - Lungbun - Tluangram - Haka Road; Construction of Chainpur Road Over Bridge; Construction of RCC Bridge (Length - 140 m.) over river Manu on Sonaimuri-Telia Road; Construction of RCC bridge over Abhayacherra on Barpathari to Tulamura road, and others.