Last year, Nadra cleaned up the voter lists by matching them with their own database of voters.

BBC: Pakistan hopes for 'cleanest' elections in history

But Nadra Ahmed, from the National Care Association, is sceptical.

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"We maintain it is the responsibility of CQC as the regulator to assess the quality of care homes, " says Nadra Ahmed, chair of the National Care Association which represents care homes.

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Early this year, Nadra activated an SMS service to enable voters to find out which city, town or village they were registered in by simply sending their CNIC number to a Nadra host computer.

BBC: Pakistan hopes for 'cleanest' elections in history

"Pain in itself is debilitating, so to identify it as the route cause of agitation and aggressive behaviour is a major breakthrough which will enable us to support people appropriately, " said its chairman, Nadra Ahmed.

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On Monday, the Election Commission activated another of Nadra's SMS software devices that enables voters to receive their serial number on the electoral rolls and the name of the polling station where they are to vote.

BBC: Pakistan hopes for 'cleanest' elections in history