Special CBI Judge OP Saini today rued that despite having "religiously" devoted seven years to 2G scam cases, no "legally admissible evidence" was placed before him by the CBI. The judge made the remark in his verdict acquitting former Telecom Minister A Raja, DMK parliamentarian Kanimozhi and several others, including top corporate leaders, in three separate cases probed by the CBI and the Enforcement Directorate, news agency PTI reported."I may also add that for the last about seven years, on all working days, summer vacation included, I religiously sat in the open Court from 10 am to 5 pm, awaiting for someone with some legally admissible evidence in his possession, but all in vain," Mr Saini said in his 1,552-page verdict in the CBI's case involving Mr Raja and others.