Robotics: Correcting a Grammar Error in "What Subject I Am Interested In Is Robotics"

There are a couple of grammar issues in your sentence. \ First, instead of "subject I am interested in is robotics,", it would be more grammatically correct to say "the subject I am interested in is robotics.". \ Additionally, "robotics" should be capitalized as it is a proper noun. \ So, the corrected sentence would be: "The subject I am interested in is robotics.".