Detective IQ Challenge 10

Detective Mehul and Kavita’s Murder Mystery!

Kavita’s happiness knew no bounds! Her dream of owning a house had finally come true. She decided to host a house-warming party to celebrate. Her friend, Shivani, was the first one to arrive. She almost fainted when she found Kavita murdered in her new house! 
She immediately calls her friend Kunal. Upon arriving, Kunal calls Detective Mehul for help. Mehul arrives and sends the dead body for a postmortem. A few minutes, later Rohan arrives.
Detective Mehul begins interrogating all 3 friends regarding their where abouts during the murder. Shivani says, “I was shopping for Kavita’s new house! I saw that she was stabbed and dead, when I arrived here!” Kunal says, “I was at home, getting ready for the party! I don’t know who stabbed!” Rohan says, “I was stuck in traffic, I have no idea who stabbed her in the stomach!” 
Detective Mehul instantly figures out who the killer was. How? Logical Army, can you guess who killed Kavita? Apply your logic and let us know your answer! Don’t forget to check your score on the leaderboard!