While BJP, which had won 31 seats in the last Assembly elections, managed only three seats -- Mustafabad, Vishwas Nagar and Rohini -- Congress returned a zero in Delhi.
New Delhi, RK Puram, Greater Kailash, Malviya Nagar -- considered to be among the posh localities of Delhi, are among the constituencies where AAP registered a thumping victory.
AAP chief Arvind Kejriwal, who bagged 57,213 votes, won the prestigious New Delhi seat by trouncing his BJP rival Nupur Sharma by 31,583 votes.
Sisodia handed a defeat to former AAP member Vinod Kumar Binny, who was this time fighting on a BJP ticket, by 28,761 votes in the Patparganj seat in east Delhi while Bharti won the Malviya Nagar seat by 15,897 votes, defeating BJP candidate Nandini Sharma.
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Rai and Birla also tasted victory, getting 75,928 and 60,534 votes, respectively, while Bhardwaj defeated BJP's Rakesh Kumar Gullayiya by 14,583 votes in Greater Kailash.
Senior Congress leader Ajay Maken, who contested from Sadar Bazar seat, was also defeated.
The only saving grace for BJP was the win managed by its former state unit president Vijender Gupta in Rohini.
BJP leader Om Prakash Sharma bagged 58,124 votes to edge past AAP candidate Dr Atul Gupta by 10,158 votes in Vishwas Nagar. The third BJP member elected to the Assembly is Jagdish Pradhan, who won the Mustafabad seat by 6,031 votes.