You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who designed the flag of india (tiranga)?" whose answer is Pingali Venkayya.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who designed the flag of india
Useful Output:

Doc 1: A message doing the rounds on social media states that the flag was designed by Suraiya Badruddin Tayyabji.
Doc 2: Surayya Tyabji was the one who came up with the final idea for the Indian flag but was never credited for it. It's high time we recognise her
Doc 3: Design: The design of the Indian tricolour is largely attributed to Pingali Venkayya, an Indian freedom fighter. He proposed a basic design of
Doc 4: The national flag of India was designed by Pingali Venkayya, an Indian freedom fighter and agriculturist. Born in 1876 in Andhra Pradesh,
Doc 5: The National Flag of India was designed by Pingali Venkayya in 1921. It was a tricolour Flag with Saffron, White, and Green, with the Ashok