"Holding of religious processions is linked with the belief and, therefore, the stand of the government on the issue is unrealistic and undemocratic," he said.
The Mirwaiz, currently on a visit to Pakistan had on Saturday sought an 'end to the armed struggle'.
A three-member moderate Hurriyat Conference delegation, led by chairman Mirwaiz Umer Farooq, would leave New Delhi on a five-day visit to Pakistan on Thursday.
The Mirwaiz said that the attack was the 'handiwork of forces who were opposed to peace in Kashmir.'
"The government of India should come up with its roadmap to Kashmir. We would welcome its proposals on the resolution of the long-standing dispute of Kashmir," the Hurriyat chief said.
Normal life was disrupted in Kashmir Valley on Thursday due to a strike called by hardline Hurriyat Conference led by Syed Ali Shah Geelani to protest killings in Gaza and to mourn the death of seven persons in an accident involving an army vehicle.
Senior separatist leaders Syed Ali Shah Geelani and Shabir Ahmad Shah were placed under house arrest as the funeral of a youth, found dead under mysterious circumstances in New Delhi, was carried out amidst tight security in Srinagar on Thursday.
Denying any ambition of capturing power, Geelani said, "I am neither struggling for power, nor for any office. I want to see my nation free. If I die in the struggle it is my fortune," he said.
He said India was "scared" of taking any bold initiative while Pakistan had shown "great flexibility" vis-a-vis the resolution of the vexed Kashmir issue.
While Mirwaiz Farooq was assassinated inside his Nageen residence in capital city this day in 1990, Abdul Gani Lone, the founder of Peoples Conference (PC) fell to assassin's bullets the same day in 2002.
The Mirwaiz has accused Dr Singh of not living up to the promises he made.
Six senior separatist leaders, including hardline Hurriyat Conference leader Syed Ali Geelani and Shabir Ahmad Shah, were on Friday put under house arrest.
The new civilian government in Pakistan has to take the Army on board before implementing its ideas on the Kashmir issue, Hurriyat Conference Chairman Mirwaiz Umar Farooq has said.
Ahead of its Pakistan visit from Monday, separatist outfit Hurriyat Conference Sunday said it will discuss the Kashmir issue with President Pervez Musharraf and other Pakistan leaders.
"We will take part in the talks, which are meant for resolution of the issue," the firebrand leader said.
Intense clashes had rocked Kashmir Valley in 2016 following the death of Hizbul Mujahideen commander Burhan Wani in July that year, resulting in the death of over 85 people.
The 45-year-old separatist leader has been booked under the harsh law for waving Pakistani flag and chanting anti-India slogans at a rally in Sringar.
The Hartal was in protest against the article published in a Denmark daily "Jyllands Posten" against Prophet Mohammad.
Geelani was operated at Tata Memorial Hospital on Monday and the doctors had successfully removed the malignant tumour from his only surviving kidney.
A recap of events that occurred in India in the past week.
India and Pakistan look to take the peace process to the next level.
None of the top Hurriyat leaders was present in the office when the grenade was hurled.
However, the attendance of devotees was thin as the people from adjoining localities only were not able to reach the grand mosque due to non-availability of public transport in view of the strike.
However, the APC failed to make any headway in his proposed formation of working groups as some political parties opposed the move.
I do not think that Delhi is doing enough to push the peace process as is being done by Pakistan.
'People on both sides of Line of Control should observe a complete shutdown on January 26 to impress upon the world community that unless India fulfills the promises made to people of Kashmir, they will continue their struggle'.
Altogether 45 participants from India and Pakistan, including retired generals, former bureaucrats, journalists and politicians are participating in the three-day meet on Kashmir.
The Hurriyat leaders were also prepared for talks with New Delhi before the visit.
"We completely support the ongoing peace process between India and Pakistan, which is extremely likely to produce a permanent and acceptable solution to the Kashmir problem," Professor Gani added.
After the meeting with the Pak PM, separatist leaders admitted that differences persisted.
The joint separatist camp, including Hurriyat Conference factions led by Syed Ali Shah Geelani and Mirwaiz Umar Farooq and Yasin Malik-led Jammu-Kashmir Liberation Front, has asked the people to march to Tral to pay tributes to Wani, who was killed in an encounter with security forces on this day last year.