Two minor girls, Rohini and Mariamma, are missing from an orphanage, Pavitratma Niketan, in Vijayawada, since Thursday night. The CCTV footage shows them preparing to have dinner with the others. But later, they were found missing. On information, by the orphanage authorities, police have reached the spot and are inquiring the others about them. While Rohini studies in Class VIII, Mariamma studies in Class VI. They joined the orphanage, one year ago, and became instant friends. They are usually seen together, the authorities said.