The three, held in remand custody were charged with the attempted murder of the then Pakistan High Commissioner in Colombo Bashir Wali Mohammad in August of 2006.
They were accused of triggering a powerful claymore blast in Colombo while Mohammad was driving through a street.
Seven others were killed while the envoy escaped unhurt.
The case is to be taken up in November.
Colombo: Three LTTE suspects held for the failed assassination attempt in 2006 on then Pakistani envoy have been indicted by the High Court on Thursday.
First Published: Thursday, June 14, 2012, 21:52