File photo of author Chetan Bhagat, an Indian investment banker-turned wildly successful novelist, at his residence in Mumbai. (Indranil Mukherjee/AFP/Getty Images)

The title, which is set to hit stands on October 1, also surpassed the biggest release of the year so far, ‘Harry Potter and the Cursed Child’ with selling 20 times the former on the first day of pre-order. – @Siliconeer #Siliconeer #ChetanBhagat #OneIndianGirl #Amazon #AmazonIndia #Literature #IndianAuthor #No1BestSeller

“‘One Indian Girl’ beat ‘Harry Potter and the Cursed Child’s’ Day 1 pre-order number within 30 minutes of going live on the platform,” Amazon said.

According to Bhagat, he wrote from a feminist point of view because he wanted to get into a woman’s head and unravel the mystery as he, “often found them mysterious, particularly in the way they think.”

“I felt it would be interesting to get in their head. I wrote on feminism because it isn’t an equal world for women, and most don’t realize it. As a writer, I want to highlight issues in society that affect a lot of people. Feminism affects us all,” he writes on the blog.

The author says that he has been wanting to write in female first person for quite some time now but managed to execute it only after a decade of being an author because it was a “huge challenge.”

“I wanted that book to be about women, and deal with feminism. To do all this as a male writer was a huge challenge. After writing for over a decade, I finally attempted ‘One Indian Girl’,” he says.

He has previously authored seven books (5 fiction and 2 non-fiction) and his last book, ‘Half-Girlfriend’ is being adapted into a film of the same name starring Bollywood actors Arjun Kapoor and Shraddha Kapoor.

The author has been actively tweeting developments about the Mohit Suri-directed underproduction film scheduled to release in 2017.

Bhagat’s novels ‘Five Point Someone,’ ‘One Night @ the Call Center,’ ‘The 3 Mistakes of My Life’ and ‘2 States: The Story of My Marriage’ have all been previously adapted for Bollywood.