The legal notice comes just a day before the counting of votes is scheduled to take place for the Delhi Assembly elections held on February 5.
While it has traditionally leaned towards the BJP, AAP has managed to establish a stronghold in recent years.
Most exit polls have given the BJP an edge over the AAP, which has been ruling in Delhi since 2015.
In response to Kejriwal's poaching allegations against BJP, Delhi Lieutenant Governor VK Saxena on Friday ordered an anti-corruption branch (ACB) investigation into the matter
Through the day, the AAP will present the data of every assembly and every booth in a tabulated format so that every voter can access this information.
The Okhla Assembly constituency witnessed a fierce contest between AAP's Amanatullah Khan, AIMIM's Shifa Ur Rehman and Congress' Ariba Khan.
The New Delhi seat is among the 70 constituencies in the Delhi Assembly that went to polls on February 5 and the results will be declared on February 8.
Allegations are false and baseless and made with an intent to tarnish the image of BJP, says the saffron party.
The high profile constituency is witnessing a triangular clash between chief minister Atishi of Aam Aadmi Party (AAP), Congress's Alka Lamba and BJP's Ramesh Bidhuri.
The estimates are in line with the exit poll projections put out by Axis My India which predicted 45 to 55 seats for the BJP with a vote share of 48% while the AAP is projected to win 15-25 seats with a vote share of 42%
Rejecting the allegation, BJP Delhi chief Virendra Sachdeva said the AAP claims are a result of their 'frustration' as they stare at electoral defeat.
Axis My India and Today’s Chanakya have predicted a runaway win for the BJP in Delhi, suggesting a comeback for the party to power in the capital after a gap of 26 years.
In the 70-seat assembly, 36 seats are required for a majority. Currently, AAP holds 62 seats, BJP has 8, and Congress has none.
Delhi Election exit poll prediction: Axis My India exit poll has predicted a victory for the BJP, in line with what most exit polls had predicted a day ago.
BJP's Bansuri Swaraj won the New Delhi constituency in her debut electoral contest. She has been a vocal critic of Kejriwal and his govt in Delhi.
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