In a tweet, she said that for over one year she tried to perform her duties with best of her abilities.
She said it was prerogative of the prime minister to appoint persons of his choice in the cabinet.
"It was prerogative of the prime minister to decide which batsman would bat at which number and which fielder would placed at which fielding position and I respect his decision", she remarked.
She strongly refuted the allegations levelled in a section of media as the reason behind her removal.
Dr. Firdous said as a political worker it was her motto to work for development of the country and welfare of the people and the struggle would remain continued under the leadership of Prime Minister Imran Khan.
She congratulated newly appointed Federal Minister for Information and Broadcasting Shibli Faraz and Special Assistant to the Prime Minister Asim Saleem Bajwa and wished them best of luck.