"Special teams are on the job and the culprits will soon be apprehended," a senior police official told news agency Press Trust of India. "The probe is still at preliminary stage," he said adding several people are being questioned.
The medical report revealed the accused wore a condom as he sexually assaulted the woman, sources said. "It's all the more challenging and we are taking whatever the victim says," an investigator, who requested not to be named, said.
The German woman has said that she was raped on a deserted beach near Tiger Caves outside Mahabalipuram where she was sunbathing. In her complaint to police, she said two men accosted her but only one sexually assaulted her.
Following the incident, security has been increased around the tourist destinations in Mahabalipuram including, the world heritage site of Shore Temple.
(With inputs from PTI)
Get Breaking news, live coverage, and Latest News from India and around the world on NDTV.com. Catch all the Live TV action on NDTV 24x7 and NDTV India. Like us on Facebook or follow us on Twitter and Instagram for latest news and live news updates.