More treasure is expected to be discovered at an old Hindu shrine in which billions of dollars worth of jewellery, gold, silver and precious stones have already been found.The go-ahead is expected to be given to open the Sree Padmanabhaswamy Temple’s inner sanctum and experts believe most important chamber that hasn't been opened for 140 years.Historian MG Sasibhooshan, from the temple town of Trivandrum in Kerala, said secret locks had previously stopped the sixth chamber from being opened.