Detective IQ Challenge 11

The Deadly dog attack riddle

Lalita granny was very kind and loving but she was petrified of dogs. That's why granny always stayed away from them. One afternoon, Lalita granny went to the market, and suddenly a dog started running after her. Granny gets very scared and starts running. The dog then jumped on her, making her fall. He attacked her causing the granny's death. 
Detective Mehul interrogates the people living there. He is suspicious of three people, so Mehul investigates them.  Rohan says - Sir, Lalita Granny was my favorite one.I used to visit her every day. I don't have a dog.  Rahul says - Sir, I don't like dogs.I do not even allow them to come near me.  Sana says - Sir, I like dogs very much,I have two dogs too,but they are very cute, and they cannot harm anyone.  Mehul immediately understands whose dog killed granny! 
Logical Army, can you guess? Observe the images, put your logic to use, and choose the correct option! Don't forget to check where you stand on the leaderboard!
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