Of around 16 billion items of post in India each year, private firms handle more than 7 billion.
She said in one month she collected 267 items of post from dozens of different charities, asking her for a donation or help with fundraising.
The show received more than 50,000 items of post last year todayy's will include contributions from Beth from Ilkley and Ellen from the Wirral.
It was also revealed that more than 100,000 items of post about outstanding asylum cases had at one stage been left unopened.
At its peak, there was a backlog of more than 100,000 items of post, including 14,800 unopened recorded delivery letters and 13,600 unopened first and second class letters containing crucial information and documents about cases.
Each day, she says, the ECHR receives about 1,600 items of post, from scrappy handwritten letters addressed to the "Office Council Court of Europe" to foot-high dossiers "An den Kanzler des Europäischen Gerichtshof für Menschenrechte".
Senior UK Border Agency officials have been accused of misleading parliament after a damning report said they wrongly claimed they had dealt with a backlog of asylum and immigration claims – and that at one point more than 100,000 items of post about such cases remained unopened.
"It's one of the better items of post you get through the letterbox - certainly better than a gas bill".
More than 10 million items of post will be processed in Scotland on the Royal Mail's busiest day, with five million pieces in Glasgow's main sorting office alone.
(*Note: It is a crime to take a letter, package, postcard, or other item of mail from a Post Office, a mailbox of any kind, or from a postal carrier before the mail has been delivered, if you intend to prevent the mail from being delivered, pry into it, embezzle money, or destroy the mail).
