Of the 27 seats the BJP contested, it won 25, while the Congress only won Bangalore Rural and the JD-S Hassan.
An Independent - multi-lingual south Indian film actor Sumlatha Ambareesh, backed by the BJP, won the prestigious Mandya seat, defeating JD-S debutant Nikhil Kumaraswamy, son of state Chief Minister H.D. Kumaraswamy and grandson of JD-S supremo and former Prime Minister H.D. Deve Gowda.
Karnataka has also been the only southern state where the BJP is dominant in the parliamentary elections over the past 15 years, winning 18 seats in 2004, 19 in 2009, and 17 in 2014.
The 25 seats the BJP won are Bagalkot, Bangalore Central, Bangalore North, Bangalore South, Belgaum, Bellary (ST), Bidar, Bijapur (SC), Chamarajanagar (SC), Chikkaballapur, Chikkodi, Chitradurga (SC), Dharwad, Davanagere, Dakshina Kannada, Gulbarga (SC) Haveri, Kolar (SC) Koppal, Mysore, Raichur (ST), Shimoga, Tumkur, Udupi-Chikmagalur and Uttara Kannada.
In contrast, the Congress, which contested in 21 seats, lost even 8 of the 9 seats it had won in the 2014 general elections to only retain Bangalore Rural where its candidate D.K. Suresh defeated BJP's Ashwath Narayangowda by a margin of by 2,06,870 votes.
The JD-S too, which contested 7 seats under the pre-poll seat-sharing arrangement with its ally Congress, retained only Hassan, a party bastion and the home turf of the Gowda clan, and lost to the BJP in 6 seats.
JD-S' Prajwal Revanna, son of state PWD Minister H.D. Revanna, and another grandson of Deve Gowda, defeated A. Manju of the BJP by 1,41,324 votes.
Deve Gowda , who opted to contest from Tumkur to paving way for Prajwal to enter national politics through Hassan, however, lost to BJP's G.S. Basavaraj in Tumkur by a narrow margin of 13,339 votes.
Congress leader in the previous Lok Sabha Mallikarjun Kharge also lost to BJP's Umesh Jadav in the Gulbarga reserved seat by a margin of 95,452 votes.
BJP's first-time contestant and young turk Tejasvi Surya defeated Congress Rajya Sabha member B.K. Hariprasad in the high-profile Bangalore South by a whopping margin of 3,11,192 votes.
Among the prominent BJP winners are Union Ministers D.V. Sadananda Gowda from Bangalore North, Anantkumar Hegde (Uttara Kannada) and Ramesh Jigajinagi (Bijapur) and sitting members Pralhad Joshi (Dharwad), G.M. Siddeshwar (Davanagere), Shobha Karandlaje (Udupi-Chikmaglur), Pratap Simha (Mysore), Naleen Kumar Kateel (Dakshina Kannada) and B.Y. Raghavendra (Shimoga), son of the party's state unit president B.S. Yeddurappa, who was the party's first Chief Minister in south India from 2008-11. A
Among other prominent losers of the Congress are former UPA ministers M. Veerappa Moily (Chikkaballapur) and K.M. Muniyappa (Kolar) and state Panchayat Raj Minister Krishna Byre Gowda (Bangalore North).