BSNL employee union sends letter to IT minister, complains of delay in TCS-backed 4G network
BSNL Employees Union complains to Communications minister about fall in subscriber base due to delayed 4G deployment by Tata group; BSNL struggling to
Ashwini Vaishnaw Group Of Ministers Go Bharat Sanchar Nigam Limited Tejas Networks Mahanagar Telephone Nigam Limited Tata Consultancy Service
Source: indiatimes.com