When the family rushed back home, they found that a locker in a ground-floor bedroom had been broken open using an iron bar. Around 10 kg of gold and diamond ornaments were missing from this locker.
Another locker in a first-floor bedroom was also found broken. From there, about 1.5 kg of gold jewellery, nearly 5 kg of silver ornaments and Rs 11.5 lakh in cash were stolen.
In total, gold, diamond and silver jewellery and cash worth an estimated Rs 18 crore were reported missing.
CCTV disabled, police launch manhunt
A senior police officer said the accused had allegedly disconnected the power supply to disable CCTV cameras before carrying out the theft.
Police have registered a case under Section 306 of the Bharatiya Nyaya Sanhita, which deals with theft by a clerk or servant of property in the possession of the employer.
Efforts are on to trace and arrest the absconding couple. Police are also checking travel routes and questioning people linked to their recruitment.