Kamaljit Dorairaja and her daughter Ishlyn Kaur were discovered lying dead inside their house in Rawang town of the country's Selangor state yesterday.
The deceased are believed to have either been strangled or smothered to death though the exact cause behind their death was not immediately known, Malay Mail Online reported.
The two were first spotted by her father-in-law who raised an alarm.
Meanwhile, Police have arrested Dorairaja's husband, a lorry driver in his early 30s, in connection with the double murder after initial investigations.