The production warrants are against Mandeep Nagar, Ankit Chaudhary and Nakul Khari, who were detained in Uttar Pradesh on Thursday, Jun 24.
Metropolitan magistrate Satish Kumar ordered Ghaziabad Dasna jail authorities to present the accused before the court on Saturday, Jun 26.
The three were alleged of killing Ankit's sister Monica (24), her husband Kuldeep (26) and Mandeep's sister Shobha (22). Monica and Kuldeep were murdered for marrying from different castes where as Shobha was assassinated for helping Monica. She also had eloped with a man belonging to another caste.
Uttar Pradesh police have recovered a country-made pistol and a car which the suspects were using for the last five days after the murder.