Miss Mexico Andrea Meza was announced the first runner up, while Miss England Stephanie Hill was declared the second runner up at an event held at Sanya City Area.
Apart from the Miss World title, Chillar also won the Beauty with Purpose award.
Chhillar competed against 108 contestants from various countries at Sanya City Arena in China.
Earlier, India, England, France, Kenya and Mexico had grabbed the top five spots at the pageant.
Chhillar was born to doctor parents, and studied in St. Thomas School in New Delhi and Bhagat Phool Singh Government Medical College for Women in Sonepat.
In the question-answer round post getting the top five spot, Manushi was asked: “Which profession deserves the highest salary and why?” She replied: “I think a mother is of highest respect. I don’t think its just about cash but love and respect she gives to someone. She is the biggest inspiration in my life. Mother should get highest respect.”
To combat sexual violence in conflict situations, India has advocated a multifaceted approach which includes “gender-responsive arms control” that prevents the proliferation of weapons.
Stating that India's policy in the past was influenced by "faith" and "vote bank", External Affairs Minister S Jaishankar said that a change has taken place in the policymaking today.