Nagpur: Certain unidentified thieves broke the lock of a flat in Gajanan Apartment, Prem Nagar under Koradi police station and thieved gold, silver ornaments with cash, all worth Rs 92,000. According to police, Mukund Waikar, aged 57, residing in Ganraj Apartment, Prem Nagar, Koradi had locked his flat on July 31, and gone along with family to Reshimbagh. Meanwhile, the thieves broke the lock of flat and took away all valuables and cash Rs 15,000, all worth Rs 92,000. The theft was discovered only after the family returned home. Waikar then lodged a police complaint, and further investigation is going on.