The cameraman had been staying in Dayal ashram, a shelter home for elderly people run by Sarmistha since January 10.
Cameraman Manas Swain murder: Niranjan provided assistance to Sarmistha to flee, says Odisha Crime Branch
The Crime Branch officers said Sarmistha, editor of Bhubaneswar based web-channel Sampurna, had visited Niranjan's house in Prasanti Vihar area of the City on March 8.
Manas had also mentioned that they snatched his camera, mobile phone and Rs 4,000 from him.
Shantilata Bal, mother-in-law of Sarmistha, told mediapersons on Wednesday that the accused had showed up all of a sudden at her home on March 7 night.