It appeared that the Indians reserved their best for the final where they blanked favourites Indonesia 3-0 to lift the Thomas Cup in style.
The world no took just 37 minutes to get the better of Sim Yu Jin, 21-16 21-13.
Srikanth, seeded eighth in the BWF Super 500 tournament, won his first round match against Brice Leverdez of France 18-21, 21-10, 21-16 in 49 minutes.
India's historic win is a testimony to the squad's depth.
The Indian men are searching for their maiden medal in the tournament.
Sindhu suffered her fourth successive defeat to Korean youngster An Seyoung.
World No. 7 Sindhu, a two-time Olympic medallist, outpayed Thailand's Busanan Ongbamrungphan 21-10, 21-16.
Former top 10 player H S Prannoy also struggled past Finland's Kalle Kolionen 19-21, 21-13, 21-9 to find a place in the quarters as did former Commonwealth Games gold medallist Parupalli Kashyap.
Lakshya Sen saw off former top 10 player H S Prannoy 21-15, 21-16 in an all-Indian quarterfinal that lasted 39 minutes.
The seventh-seeded Sindhu, the 2019 World champion, suffered a shock 14-21, 21-15, 14-21 loss to China's Zhang Yi Man.