According to the postmaster, the influx of almost 2,000 articles per day is expected until August 20. The birthday of Dera chief coincides with Raksha Bandhan this year.
Efforts are also on to trace the Dera chief's adopted daughter Honeypreet Insan and Dera spokesman Aditya Insan, against whom a lookout notice was issued earlier.
Sources said Honeypreet and Aditya Insan have been booked on charges of sedition and hatching a conspiracy to aid the escape of rape convict Ram Rahim Singh.
Future tense for more than 6,000 students studying in the eight educational institutions run by the sect leader and the 500-odd staff working there.
CBI Judge Jagdeep Singh pronounced the sentence in a special courtroom set up inside Rohtak's Sunaria jail where Ram Rahim is lodged.
Dera violence Day 3 UPDATES | Court to pronounce sentence on Ram Rahim around 2:30 pm today; Haryana assures 'fool proof' security
The situation is tense but under control as curfew continues and mobile, Internet services remain under suspension till August 29 when Ram Rahim Singh's quantum of sentence is decided.
Dera chief rape case verdict: Ram Rahim appeals to followers to maintain peace, says he will appear in person before court
The CBI court in Panchkula has asked Gurmeet Ram Rahim to remain present in person tomorrow when the verdict in the case will be pronounced.
As many as 150 companies of paramilitary forces have been deployed in the two states to assist the police forces in maintaining law and order, he said.