[5] Somak Ghoshal of Mint said in his review, "with its complex narrative design and daring imagination, [the novel] easily surpasses most English-language fiction that has appeared in India so far this year.

"[2] Joanna Lobo of Daily News and Analysis wrote: Cobalt Blue is a book that will engulf you when you are reading it, and haunt you much after you're done."

"[7] A review carried by Publishers Weekly wrote: "In his debut novel, Kundalkar combines two distinct and complementary voices to deliver a complex and intricate story about love, family, and making one’s own path.

"[8] Saaz Aggarwal of The Hindu called it a "high-quality coming-of-age novel" that explores the "discovery, resulting confusion, and bravado of homosexuality in a hostile environment.

"[9] Author Kamila Shamsie wrote: "A mesmerizing novel of heartbreak, memory, and the ease of falling in love set against the impossibility of fully knowing other people.