India's top diplomat to Tokyo said that all Indian nationals in Japan are safe and the country's mission in Tokyo is facilitating return of those wishing to leave the quake-ravaged region.Speaking to a private channel, Indian Ambassador Aloke Prasad said that a group of Indians, who had been stranded in Sendai were moved to a hotel in Tokyo. He said many of them want to go back to their homes and are leaving for India. He added that these people have not faced any danger of radiation. Mr Prasad, who had an interaction with the Indian community representatives earlier, said the embassy has not issued any advisory. He said the Indian Embassy is in very close touch with the Indian Community as well as government of Japan,with their monitoring of radiation levels. Mr Prasad said the embassy has set up a 24-hour helpline and has been giving regular updates on its website.