Former prime minister Manmohan Singh was aware of the controversial decisions made around the allocation of coal blocks and 2G spectrums that led to massive losses to the state exchequer, Vinod Rai, the former chief auditor of India. <br /> <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 Dailymotion at http://www.dailymotion.com/GujaratTV9 <br />Follow us on Pinterest at http://www.pinterest.com/tv9gujarati/pins/