The students vowed to step up their stir and said the PM's "inaction" reflected his "political interests".
The students also rejected an appeal by Minister of state for HRD Upendra Kushwaha, who urged them to withdraw their agitation and assured them justice, a day after the Centre decided to set up a judicial commission to look into the sequence of events leading to suicide of Rohith.
Rohit's mother Radhika, sister Neelima and brother Raju, who visited the restive campus, demanded that "those responsible for his death" be brought to book.
"Not Rs eight lakh, we don't want even if you give Rs eight crore from HCU, where he died," Neelima said.
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Radhika said, "I want to know why he died. Those responsible should be punished...Why he was suspended."
"Smriti Irani (Union HRD Minister)...She called up after five days. Why it took five days. You are also a woman...You are also a mother...It took five days (to call up the family and condole the death)," Neelima added.
All the seven students, including a girl, who have been on a hunger strike on the issue, were today shifted from the hunger strike camp to the HCU's health centre after their health condition deteriorated, even as the agitating students tried to prevent the officials from taking them away.