The Civil Aviation Authority of Malaysia said 18 Pakistani pilot licence holders in the country were verified by the Pakistan Civil Aviation Authority.
All Pakistani pilots working for Vietnamese airlines have valid and legitimate licences and none have been involved in a flight incident or safety threat, the government said on Saturday.
India fears that such a training may have made Pakistani pilots cognizant about all strengths and weaknesses of the air craft.
Hijab Imtiaz Ali was the first female pilot of the Muslim world.
18th march marks the death anniversary of Pakistan's most decorated pilot till date, M.M.Alam.