A two-layered security cover has been put in place at the counting centres across the city.
While a platoon of paramilitary force forms the inner circle of security inside each of the counting centres, Delhi police are ensuring their safety from outside.
Number of policemen outside each building has also been increased today and personnel from the Reserve Forces of the Delhi Police will be on standby to manage the party workers outside the counting centres.
"Postal ballots would be counted first. After a gap of 30 minutes, the EVMs would be opened. Assistant Returning officers (AROs) will oversee the postal ballot counting.
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"As per the Election Commission regulations, there will be 10 micro observers deployed in each parliamentary seat and an Assistant Electoral Registration Officer (AERO) will be deployed in each counting table," Delhi's Chief Electoral Officer Vijay Dev said.
In the past one week, Dev visited each of the seven counting centres to take stock of the arrangements.
Barring the counting supervisors, micro observers and persons authorized by the Election Commission, no one else would be allowed to enter the counting centres. The media will also be barred from entering the counting centres.
The entire counting process would be videographed, Dev said.
The Congress had won all the seven seats in 2009 Lok Sabha polls. The exit polls have predicted 5 to 7 seats for BJP this time.