The 19-year-old Narwal fired a total score of 218.2, a Paralympic record, to claim the yellow metal while Adana, who won bronze in the P1 men's 10m air pistol SH1 event on Tuesday, added a silver to his kitty with an effort of 216.7.
Meanwhile, Adana gathered 569 -18x to finish 6th in the qualifications.
Defending champion Mariyappan Thangavelu and Sharad Kumar won a silver and bronze respectively in the men's high jump T42 event as India's medal tally at the Paralympics touched an unprecedented 10 on Tuesday.
Indian sporting fraternity on Saturday hailed shooters Manish Narwal and Singhraj Adana's 1-2 finish at the Paralympics, terming the feat as "stuff of dreams", with President Ram Nath Kovind and Prime Minister Narendra Modi also lauding the duo for bringing glory to the country.
The 19-year-old shooter won gold in R-2 women's 10m Air Rifle Standing SH1 event on Monday before taking the 50m Rifle 3 Position SH1 bronze on Friday.
India's Paralympians presented Prime Minister Narendra Modi with an autographed stole on Thursday during a breakfast hosted by him to felicitate the contingent at his residence in New Delhi.
The last batch of India's triumphant Paralympic athletes, including shooting sensation Avani Lekhara and shuttler-cum-bureaucrat Suhas Yathiraj, returned home to a rousing reception on Monday, their supporters and families thronging the New Delhi airport for a glimpse of the heroes.
Thakur lauded her and all others who finished on the podium, presenting them with mementos to honour their feats.
India sign off Paralympics with an unparalleled 19 medals: 5 gold, 8 silver, 6 bronze.
Seven Olympic and six Paralympic disciplines were identified for support at a meeting of the Mission Olympic Cell.
I have designed an international level shooting range at home. I have named it 'Mission Olympic' and have written on them Tokyo 2020 and Paris 2024'