Confidential meeting documents show the panel re-examining NBTC chairman Dr Sarana Boonbaichaiyapruck’s qualifications has yet to receive key records from several agencies, raising transparency questions over the review of a chairman.

The telecom regulator’s controversial vote last October that effectively gave the green light for the merger of two of Thailand’s three major mobile operators – True Corporation and Total Access Communication (Dtac) – failed to comply with the law, a legal expert said on Saturday.