Wii of ancestral property

Grandfather of my uncle executed a will qua one acre of land falling within the revenue estate of village kapashera, new delhi, which was his ancestral property, in favour of my uncle and the said land was directly mutated in the name of my uncle in the revenue record on the death of his grandfather on 12.06.2012.My uncle sold the said land to a person for a total consideration of rs.3 crore and executed agreement to sell, general power of attorney, receipt of the consideration amount and possession letter on the same date.The buyer, through legal notice, called upon my uncle to execute the sale deed of the said land in terms of agreement to sell and other documents within 30 days of receipt of the legal notice. when my uncle failed to turn up for execution of the sale deed of the said land in favour of the buyer withing the time prescribed in the legal notice, buyer filed a suit for specific performance of contract dated and for damages against my uncle in delhi high court . while the suit filed by buyer before the high court was pending, daughter of my uncle filed a suit for declaration and permanent injunction against buyer, my uncle and her grandfather before senior civil judge,dwarka, new delhi, whereby seeking a decree of declaration of the documents relied by buyer in his suit in the high court of delhi as null and void and non-effective against her. She interalia took a defense in her suit that the said land being an ancestral property, she became coparcenor and acquired interest in the said land on her birth and challenged the competence of her father, my uncle to alienate the said land and execute the documents on court notice, buyer appeared and filed an application under order 7 rule 11 read with section 151 of the cpc for dismissal of the suit filed by her for lack of cause of action but the ld. sr. civil judge dismissed the application of buyer Now buyer is before the high court against the order. What are the consequences of this situation