They were found to share confidential and strategic information to Pakistani agencies and were getting money from their handlers, said officials.
Three people were arrested for spying for Pakistani intelligence agencies, a top intelligence official said on Saturday.
The action was taken against three people out of the 23 suspects detained during a special drive, "Operation Hifajat", conducted in border districts, including Sri Ganganagar, Hanumangarh and Churu districts.
The three arrested were identified as Abdul Sattar of Hanumangarh, Nitin Yadav of Sriganganagar, and Ram Singh of Churu. They were found to share confidential and strategic information to the Pakistani intelligence agencies through social media and they were getting money from their handlers, according to officials.
Sattar had been visiting Pakistan regularly since 2010 and he accepted the crime of sharing confidential information of the Indian Army and important places.
Yadav was honey-trapped by a Pakistani woman agent and was sharing strategic information of Army movement in Suratgarh and Mahajan field firing range.
Intelligence agencies have found electronic evidence from their mobile phones following which a case was registered against them under the Official Secrets Act, 1923 (OSA) and further investigation is on.
(With PTI inputs)