A 64-year-old retired teacher was arrested on Friday for allegedly killing his wife and daughter-in-law in Rohini here over suspicion of an illicit relationship, police said.
The accused, identified as Satish Chaudhary, is a resident of Shiv Apartments in Rohini Sector-4, they said.
On Friday around 5.55 am, Satish's younger son Saurabh Chaudhary (30) informed police about the incident. He also got injured while trying to save the victims, a senior police officer said.
"When police reached the spot, they found Pragya Chaudhary (35) and her mother-in-law Snehlata Chaudhary (62), who is a retired DTC employee, in a pool of blood," said SD Mishra, Deputy Commissioner of Police (Rohini).
The accused, a retired private teacher, has been apprehended.
Pragya's husband Gaurav Chaudhary is a software engineer and currently living in Singapore. Saurabh is unmarried and works as a software engineer in Bangalore, police said.
A case under relevant sections of the IPC has been registered at Vijay Vihar police station and further details are awaited, they added.
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