The administration will, however, continue the night curfew to avoid any untoward situation, he added.
"Last night we have arrested an active woman cadre of the NDFB(S). During interrogation it was revealed that she played an important role in kidnapping and killing the four persons," a senior police official in the district told PTI.
"Situation is normal now. Since yesterday, we have lifted the curfew during day time. But curfew from 8pm to 8am will continue for about one more week," Baksa Deputy Commissioner Vinod Seshan said claiming that situation at the Salbari sub-division where the kidnapping happened last Friday was getting back to normalcy.
Incidentally, four linkmen were arrested for assisting the terrorist organisation in the incident.
More From This Section
From Saturday onwards, indefinite curfew was clamped in Gobardhana and Anand Bazar police stations in Baksa as well as the northern side of railway line in Barpeta district.
Security forces, comprising Police, CRPF and Army, will continue its operations to nab culprits of the kidnap, Seshan added.
On Friday, seven persons, reportedly lemon traders, came to Labdanguri market in Baksa district from the adjacent Barpeta district, but four persons did not return home.
Assam government has already announced an ex-gratia of Rs 8 lakh for the families of the each of those killed.