Indian Prime Minister Narendra Modi inspects the honour guard during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

Image used for illustrative purpose. Indian Prime Minister Narendra Modi addresses the nation during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

People attend a flag hoisting ceremony during India's Independence Day celebrations in Ahmedabad, India August 15, 2018.

Cadets from the National Cadet Corps (NCC) celebrate after being awarded the first position in the best marching category during India's Independence Day celebrations in Chandigarh, India, August 15, 2018.

A boy selling the Indian national flags waits for customers in front of Chhatrapati Shivaji Terminus as it is illuminated with the colours of the Indian national flag on the eve of India's Independence Day, in Mumbai, India, August 14, 2018.

Indian Prime Minister Narendra Modi addresses the nation during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

India's Prime Minister Narendra Modi is welcomed by Defence Minister Nirmala Sitharaman as he arrives to address the nation during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

An Indian army soldier performs a stunt on his motorcycle during India's Independence Day celebrations in Bengaluru, India, August 15, 2018.

Indian Prime Minister Narendra Modi salutes as he prepares to inspect the honour guard during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

Indian Prime Minister Narendra Modi greets the crowd before addressing the nation during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

Indian Prime Minister Narendra Modi prepares to inspect the honour guard during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

A boy's face is seen through the Indian national flag during Independence day celebrations in Mumbai, India, August 15, 2018.

School girls hold umbrellas as they perform during India's Independence Day celebrations in Agartala, India. August 15, 2018.

Indian Prime Minister Narendra Modi waves as he leaves after addressing the nation during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

Girls hold the Indian national flags as they attend a flag hoisting ceremony during India's Independence Day celebrations in Ahmedabad, India August 15, 2018.

A taxi drives past the Municipal Corporation building lit up in the colours of the Indian national flag on the eve of India's Independence Day, in Mumbai, India, August 14, 2018.

Indian Prime Minister Narendra Modi waves as he leaves after addressing the nation during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

Schoolchildren listen as Indian Prime Minister Narendra Modi (not pictured) addresses the nation during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018. REUTERS/Adnan Abidi

Indian Prime Minister Narendra Modi arrives to address the nation during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.

Indian Prime Minister Narendra Modi meets schoolchildren after addressing the nation during Independence Day celebrations at the historic Red Fort in Delhi, India, August 15, 2018.