A tech geek in Sirsi in Uttara Kannada district of Karnataka has developed a humanoid robot named 'Shiksha' that can teach children up to class four. The model is ready but it has not been deployed anywhere officially. However, its developer Akshay Mashelkar, a post-graduate in physics with specialisation in electronics, said 'Shiksha' can be a useful learning tool for students up to class four. (Video credit: PTI)