ITANAGAR, April 17 ? The Centre has not yet given green signal for introduction of mobile telephone in Arunachal Pradesh, Nagaland and Manipur due to security reasons, reports PTI. The chief general manager of BSNL, North East II, Krishna Kumar told reporters here Tuesday that BSNL would not introduce mobile phones in Arunachal Pradesh, Nagaland and Manipur as it has not received green signal from the Centre on this issue. However, the internet facilities in the three States would be given further extension in due course of time, he said. Kumar said his department was doing its best to bring...