Just as they say, working in silent might also make us had a productive results, BSNL, had their calendar planned, it's like they knew things was going to change when the 5G will be introduced and by that time, they're going to enter the market, I do not think te difference of 4G and 5G are that much, so, if BSNL are offering their services in 4G and it will be perfectly, then it's a good choice.