"We are planning to install jammers at Central Prison Cherlapalli and Chanchalguda here to block cell phone signals," Telangana Director General of Prisons V K Singh told reporters.
Singh said that the demonstration for mobile jammers was also going on.
"Since first demonstration was not that effective, we have arranged for the second one," he said.
Over 20 cell phones and SIM cards were seized by the prison authorities at Cherlapalli prison this month.
The officer said that the Prisons Department has formulated a four-stage process to ensure "corruption-free" administration in jails and wants "zero tolerance" towards graft.
"Motivating and encouraging the personnel to be fair, honest and impartial in their dealings and taking pledge in public and promising to work with honest intention is the first stage," Singh said.
In the third stage those officers who will not be amenable to suggestions and counselling will be extended warning and in the fourth stage those who will not mend their ways, even after these three stages, will be punished to check corruption in the department, Singh said.
