Also, maintenance contracts have been made only for 40 traffic lights with two firms at a cost of approximately Rs 62 lakh.
The move to silence Signal, one of the few remaining messaging apps in China that allowed users to engage in encrypted messaging, comes as China expands controls to shape public opinion.
PWD proposes integrated transit corridor for stretch connecting Outer Ring Road and Mehrauli-Badarpur Road
The court listed the matter for hearing on March 1 after the lawyer for the petitioner-company said he needs time to verify whether such an order has been issued by DoT.
Users across the world reported they were unable to send messages on both the mobile and desktop applications.
It has clarified that the update does not affect data sharing with Facebook with regard to personal conversations or other profile information.
Tesla CEO Elon Musk asked his 41.9 million users on Twitter to use the Signal app. Paytm CEO Vijay Shekhar Sharma too dived into the debate.
The team led by researchers from the Cornell University in the US also observed other potential exoplanetary radio-emission candidates in the constellation Cancer and Upsilon Andromedae systems.
Dortmund's Signal Iduna Park is the biggest stadium in Germany and can host 81,000 spectators.