The family of missing 20-year-old Indian student Sudiksha Konanki has asked police in the Dominican Republic to declare her dead, according to US media reports. Konanki was last seen on March 6 at the Riu Republic Resort in Punta Cana town. She has gone missing while on vacation in the Dominican Republic and US federal law enforcement agencies are working with authorities in the Caribbean country in the probe into her disappearance. Despite an extensive search, her body has not been found.