Over 50 people were injured in the multiple blasts at a Jehovah's Witnesses convention on October 29.
The government will also bear the medical expense of the injured who are undergoing treatment at various hospitals.
The deceased is identified as Malayattoor native Sali Pradeep (45), mother of the 12-year-old girl Libna who breathed her last on October 30.
The SIT has taken the accused to Kodakara police station as part of the evidence collection.
Martin once again declined the assistance of a lawyer in the case.
Police said the most number of 26 cases was registered in Malappuram district, followed by 15 in Ernakulam and five cases in Thiruvananthapuram.
The class 7 girl's funeral was held five days after her death.
The investigating officers described Martin as a person of 'exceptional intelligence and diligence'.
Other charges include criminal conspiracy, murder and attempt to murder. An extensive probe has been launched to ensure there are no other links beyond Martin in the case.
He further said the BJP minister would not see this as an insult but as an adornment.