To probate the will

Hi I have 3 residential properties on my name within the limits of Maharashtra, I wanted to declare legal heirs of the said properties and also wanted to gift one off my property on my elder brothers sons name(His Both the sons are minor). Details of the properties: 1) 2BHK residential flat at Mira Road (Thane - Maharashtra) - Loan Free property- Wanted to Gift my niece. AGV - 25L Year 2009, MV 30 to 40L Approx. As per ready reconer rate. Property owned by Single Owner that's me. Legal Heirs - My wife and My Daughter (Minor - 6Yrs.) 2) 2BHK Residential Row House at Nagpur (Maharashtra) - Loan from Axis Bank- Single owner , Legal Heirs - Spouse and Daughter. AGV - 31L - 2014, MV - No idea. Intend to transfer all my rights and title on their names through will. 3) 1 BHK Flat at Mira Road , (Thane - Maharashtra) Loan From Axis Bank - Joint owner - Spouse (first Name) 50-50 ownership. AGV - 62.89L - 2021, MV - Can be consider same. Legal Heirs - Spouse and Daughter. Intend to transfer my share and rights and title on my wife's name through will. 4) Non movable property - 2 Crores term Insurance- To be given to my nominee and that's my wife and Daughter. Please let me know the smooth process of probate will with low charges of advocate and court fee. Regards,