Prime Minister Manmohan Singh has been in office but wielded feeble power, with little control over members of his cabinet, the power to make key appointments and with Congress President Sonia Gandhi deciding on files that bore his signature, according to a new book written by his former media advisor. <br />For more videos go to http://www.youtube.com/gujarattv9 <br />Like us on Facebook at https://www.facebook.com/tv9gujarati <br />Follow us on Twitter at https://twitter.com/Tv9Gujarat <br />Follow us on Pinterest at http://www.pinterest.com/tv9gujarati/pins/