The "demonstration" on EVM-tampering was made by party's Greater Kailash MLA Saurabh Bhardwaj inside the Assembly who claimed there is "no machine in the world that cannot be rigged".
The AAP MLA also claimed the party can hack all EVMs, to be used in the Gujarat Assembly polls, within three hours and can ensure the BJP does not win even a single booth, let alone a seat.
The "demonstration" on EVMs won't attract legal action as legislators enjoy legal immunity inside House.
The "electronic voting machines" Bhardwaj made the demonstration on was a prototype assembled by a group of IITians, AAP sources said.
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The AAP's attempt to whip up the issue comes at a time when it is in the eye of a political storm after its sacked minister Kapil Mishra's' allegations of corruption against Kejriwal and minister Satyendar Jain.
"Hackers can use simple codes of EVMs to make any candidate win. This can be done by changing motherboard of the the EVM. With this code, anyone can change the result of votes for that particular machines.
"I tell you that an EVM can also be reset to show how the machine that can pass the test on a polling day can be tweaked during the voting process," the Bhardwaj told the House.
"With this demonstration, it has been proved that how EVMs can be hacked...EVMs manipulation is a very serious issue. It is threat to the democracy of the country. There is no machine in the world, which cannot be hacked," he said.
During the demonstration, Bhardwaj showed that how votes polled in favour of AAP can be transfered to the BJP.
According to Bhardwaj, of 10 votes polled in favour of AAP during the demonstration eight went to the BJP.
Bhardwaj said that despite the four-year gap, he can show the people exactly how an EVM can be hacked.
"EVM tampering is a very serious issue because several freedom fighters had sacrificed their lives for the freedom of this country. EVMs, which were given up by several countries, are now being used in our country," Bhardwaj said.
Using the analogy of cricket match-fixing, the AAP MLA said people earlier would not believe this can be done but they had to believe eventually.
The Election Commission, which maintains that EVMs cannot be programmed to favour any party, did not officially react. However, sources said the machine "did not" seem to be among the ones that are used during elections.
"It was a drama enacted by the AAP to divert attention of the public from the allegations of bribery and forgery in funding," Delhi BJP chief Manoj Tiwari said.
Before Bhardwaj's demonstration, Kejriwal had tweeted, "Saurabh Bhardwaj will reveal the truth behind a big conspiracy in the country. Satyameva Jayate".
After entering a "secret code", Bhardwaj pressed 10 votes for the AAP in the machine used for the purpose of demonstration. Later, in the display panel, it turned out that votes went to the BJP.