Nitrogen (N) is a macronutrient which is required for growth of plants. The most common way of providing nitrogen to the plants is through urea fertilizers. With the increasing demand for crops, the usage and demand of urea as a fertilizer has also been increasing. A lot of nitrogen that is supplied in form of fertilizers actually gets wasted. Almost 40–70 % nitrogen supplied through urea is not utilized by plants, generating environmental problems like eutrophication, therefore there is a need of developing a fertilizer that will stop this wastage. The aim of this study was to use natural products like CMTKG for preparing crosslinked Urea hydrogel which can be used as a fertilizer releasing agent. This work reports the synthesis of hydrogel using Carboxymethyl tamarind kernel gum (CMTKG) with Acrylamide (AAm), a solution of Sodium Hydroxide (NaOH), and Methacrylic acid (MA). The initiator used for this synthesis was Potassium persulfate (KPS), crosslinker was N, N-methylenebis (acrylamide) (MBA). The hydrogel synthesis was confirmed by characterization with swelling tests in a different pH solutions including pH 4, pH 7, pH 9, and distilled water. After the swelling studies of the hydrogel swelling index and swelling equilibrium were determined. The prepared hydrogel showed degradable properties in the soil burial test.