2.According to the petitioners, they are mother and son respectively. The first petitioner is working in a private firm and the second petitioner is studying at Bhavans Munshi Vidya Ashram, Tripunithura, Kerala. According to them, one late Dr.M.Anbu, was the husband of the first petitioner and was a Principal Scientist in National Institute for Interdisciplinary Science and Technology – Council of Scientific and Industrial Research – Thiruvananthapuram, Kerala. Due to marital discord, the first petitioner and the said Anbu got divorced in the year 2010 by judgment in O.P. No.886 of 2008 before the Family Court, Ettumanoor. When the said Anbu was due to pay the settlement amount of Rs.15,00,000/- and the landed property, he expired on 01.07.2017 at Tiruvannamalai. Thereafter, the first petitioner came to know that one Muniyammal, the fourth respondent herein who is the mother of late Anbu has illegally obtained legal heir certificate with an intention to grab all the properties of the deceased. Therefore, the petitioners are before this Court seeking the above prayer.