New Delhi, Aug. 1 -- The National Investigation Agency (NIA) is unlikely to challenge the acquittal of Sadhvi Pragya Thakur, Lt Colonel Prasad Purohit and five others in 2008 Malegaon blast case, just as it hasn't in other similar cases, people familiar with the matter said on Thursday.

They cited the Samjhauta train, Ajmer Dargah and Mecca Masjid blasts in 2007, in which Swami Aseemanand was acquitted by different courts.

"As soon as we get the copy of judgment in the 2008 Malegaon case, we will examine it and take a legal opinion. However, our experience has been that in such cases where there is no fresh evidence other than already presented before the trial court, going into appeal may not serve any purpose," said an NIA officer, wh...