Sindhu defeated Japan's Nozomi Okuhara in straight games 21-7, 21-7 to lift the women's singles title in Basel, Switzerland on super Sunday, as India also defeated West Indies by 318 runs in the World Test Championship underway in Antigua.
This is Sindhu's fifth medal at the World Championships, which is the joint highest in women's singles in the history of the tournament along with Xhang Ning of China a two-time Olympic gold medallist.
Apart from the two silvers Sindhu won in the last two editions, she had also won the bronze in 2013 and 2014.
Here's what the celebs said:
Amitabh Bachchan: P.V. Sindhu! Champion of the World Badminton such an incredibly proud moment for India just so honoured to have spent sometime with you at 'KBC'. You preserved and never gave up! That is the spirit of India and of champions such as yourself.
Shah Rukh Khan: Congratulations. P.V. Sindhu for winning the Gold at the BWF World Championships... Making us proud as a nation with your exceptional talent. Keep creating history!
Aamir Khan: Congratulations P.V. Sindhu. You make us so proud! Respect. a.
Akshay Kumar: Heartiest congratulations P.V. Sindhu on becoming the first Indian to win a at the #BWFWorldChampionships2019. What a feat to achieve, you completely smashed it.
Ajay Devgn: Congratulations Sindhu on your big win. A proud moment for India P.V. Sindhu.
Karan Johar: What a proud moment for India. Congratulations P.V. Sindhu on this amazing achievement of becoming the first Indian ever to win a gold at the BWF World Championship.
Rajkummar Rao: The whole country is so proud of you P.V. Sindhu. You are a true Champion of the world. Take a bow.
Anushka Sharma: First Indian to win gold at the BWF World Championships 2019... @Pvsindhu1 what a terrific performance! Congratulations.. you go girl.
Parineeti Chopra: A proud moment for our nation! Congratulations P.V. Sindhu for clinching gold at the BWF World Championships2019! An outstanding performance, truly deserved!
Riteish Deshmukh: What a moment of pride for India ... our Golden Girl
P.V. Sindhu becomes the first Indian Gold Medal winner at the BWF World Championships. You are inspiring an entire generation to excel. Congratulations!
Taapsee Pannu: Finally! Ladies and gentlemen , let's welcome the new world cha'pion P.V. Sindhu! It's the gold finally.
Nimrat Kaur: Huge congratulations to the golden girl P.V. Sindhu on your mammoth win at the BWF World Championships! You make us look so golden and good !! To many more super girl! Golden girl.
Kriti Sanon: Such a memorable win at the BWF World Championships! You Go Girl! 1st Indian to win the! You make us so so proud. Keep shining and inspiring us forever!
Aahana Kumra: Congratulations P.V. Singhu on being the first indian to win the BWF World Championships 2019 ! You're India's daughter and you have inspired many of us with your hardwork and dedication! Much love!
Jackky Bhagnani: Such a proud moment for India! Congratulations P.V. Sindhu for creating history and becoming the first Indian to win gold at BWF World Championships 2019.
Aditi Rao Hydari: Congratulations P.V. Sindhu! Such an incredible victory at the BWF World Championships Super super proud!
Madhur Bhandarkar Big Congratulations to P.V. Sindhu Your hard work, zeal and dedication is so inspiring. Such a proud moment for India and Indian Sports.
Yo Yo Honey Singh: History has been created! P.V. Sindhu becomes the first Indian to become a World Champion.Outstanding Play. BWF World Championships 2019.
Shekhar Kapur: Amazing match. She never gave up. Knew she could win. It's not just training and talent that got P.V. Sindhu to become world champion. It's her belief in herself. Lots to learn from someone as young as her! Congratulations P.V. Sindhu sports.
( With inputs from IANS )