Singh left for Singapore Sep 25 after filing an application for anticipatory bail in the CBI court.
Singh is the fourth lawmaker to be arrested in the case after T.S. Suresh Babu of BSR regional party from Kampli and B. Nagendra from Kudligi (independent) in Bellary district and Satish Sail from Karwar (independent) in the coastal Uttara Kannda district.
They were taken into custody during the last one month for their alleged involvement in the iron ore export scam.
(with IANS inputs)