The Malwani police on Tuesday arrested a couple, who allegedly masterminded the murder of Kanchan Ajay Singh alias Kanchan Pramod Gupta who was looted and murdered at her home on the night October 8.

The accused have been identified as Rafique Khan, 28, and his wife Nasrin Khan, 27. The couple, who has a grocery shop near Kanchan's residence in Malwani, used to pass on information about the deceased woman to the alleged murderers, who were arrested on Sunday -- Abdul Rehman Sheikh, 23 and Ubaid Sheikh, 22. During interrogation, the duo revealed that Rafique and Nasrin hatched the conspiracy to steal the money from Kanchan's house after they learnt that she had received R5 lakh from a chit fund called 'Bishi'.