What is the right of second wife in her husband property?

My Uncle get second marriage but he did not divorce his first wife. His first wife living with her parents past 33 years. My uncle maked some property settlement for first wife 33 years ago. She also accepted for that settlement and signed in the “Baha Bathia Viduthalai Patharam”. My uncle have 2 sons for first wife & 2 daughters for second wife. His second wife & 2 sons & 2 daughters are living with my uncle. What are the property rights of all ? Equal rights or Percentage ?

claiming the house in 2008 if my name is not on the mortgage, but property tax?

hi everyone! i want to know if i can claim the house this year if my name is not on the mortgage but on the property tax? my brother's name is on the mortgage, but BOTH our names are on the property tax. he will NOT be claiming, because he said i can claim it. so, can i? and yes, i have paid more than half the mortgage since last june and i paid all the property tax this past year.