Sources close to CBI reported that the diaries written in English has numbers which indicates the details of business transaction. Sources added that the diaries also have 'secrets' denote to the period when Raja was the Environment Minister in the first UPA government.
Diaries were seized from Raja's residences in Chennai and Delhi. CBI conducted 15 hours long search in his residences. Simultaneously, CBI conducted raids in homes and offices of Raja's aides and relatives.
Now the big task before the CBI officials is to decode the codes in diaries to unscramble A Raja's spectrum.