1. As per law , Registration of WILL is not mandatory , even an unregistered WILL is valid legally.
- You should apply for mutation of the property in your name on the ground of said Will , otherwise you can file a Probate petition before the court for getting that house in your name.
2. If you was not living your father at the time of giving ATM , then you can lodge a complaint against him for cheating and breach of trust.
3. No. he will not come under the heir ship being step brother .
- Further , in the absence of Adoption certificate , he cannot claim any right over the property.
4. Bedkhal has no value in the eye of law , specially after publishing in news paper , and not from court order.
- Hence, you have full right to claim over the property of father legally.