New Delhi: Cocaine worth around Rs 7 crore in the international market has been seized following the arrest of a man and his wife here, police said on Wednesday. They used to process the drug at their house in Seemapuri. The man was arrested after a tip-off that he would come near the LBS Hospital to deliver cocaine to one of his associates, according to Deputy Commissioner of Police (East) Amrutha Guguloth. Police said that 690 gram of fine-quality cocaine was seized, and it is worth around Rs 7 crore in the international market. Zaheer Ahmed was arrested near the hospital. He and his wife, Gulnar, are in police custody, they said.