If the your father's house is the parental house and the same was received to him by your grand father, you have right to demand partition.
But, if the house is self acquired house, your father can give the same to any one - even to any other person not belonging to family.
If by chance, if your father does not prepare any written will then, after his demise, you will be eligible for seeking partition for equal share.
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You can claim the amount from your father which had been invested by you for constraction of your father's house but can not claim partition or any portion of that house in your father's lifetime.