Among others, Reliance Communications was down 0.53 per cent. Bharti Airtel also ended marginally down.
The broader market was also sluggish with the Sensex slipping over 64 points.
A bench of justices Pradeep Nandrajog and V Kameswar Rao permitted the top accounting body to conduct audit of private telecom companies under the Telecom Regulatory Authority of India (TRAI) Act.
It rejected the separate petitions of Association of Unified Telecom Service Providers (AUSPI) and Cellular Operators Association of India (COAI) filed against the decision of Telecom tribunal TDSAT on the issue in 2010.
The high court had reserved its order in November 2013, after conducting marathon hearings on the issue where it took on record submissions of the Centre, CAG and the petitioners -- COAI and AUSPI.