India, Oct. 26 -- Hyderabad Police arrested four members of a Nepal-based gang, including a woman, allegedly involved in the murder of Tanuja Ranjan, wife of retired IPS officer Vinay Ranjan and the robbery of valuables from their residence in Prashasan Nagar, Jubilee Hills, in May.

According to Police the arrested are Dharma Tiruwa alias Kalpana, a former maid at the victim's house who had worked there for 10 months, Ganesh B.K., Chandra Bahadur Tamang and Ganesh Bahadur Shahi. All four are natives of Nepal. Police seized Rs.51,130 in cash and other material from them.

Police Commissioner V.C. Sajjanar said a Special Investigation Team (SIT), formed on May 19, searched several States and used technical surveillance and local informers ...