Sindhu won the silver medal, losing to Japanese seventh seed Nozomi Okuhara in the women's singles final on Sunday. Fourth seed Sindhu lost 19-21, 22-20, 20-22 against the Olympic 2016 bronze medallist Okuhara.
Here's how celebs reacted on Twitter:
Amitabh Bachchan: P.V. Sindhu you made India proud… You are a champion… Spirit, guts, endurance... For me you won... Never gave up.
Hema Malini: Congratulations Sindhu on winning the silver medal -- you put up a great fight and you have done us proud.
Shoojit Sircar: True India will shine high when women take over.. and they are doing it... P.V. Sindhu and Saina Nehwal. Salute.
Sonu Sood: Sindhu... You are a winner. India salutes you. What a match.
Randeep Hooda: No losers here. Sindhu a winner and Nozomi Okuhara a champion. This is the epitome of sports other than cricket. Thriller.
Anupam Kher: Jai Ho. Sindhu second Indian to win silver at World Championships.
Onir: Congratulations for a magnificent game Sindhu. Sindhu loses the thrilling final, finishes with silver.
Esha Gupta: What a superb player, beauty with ease... Sindhu making us proud.