Limitation by time to file suit for declaration & permanent injuction and suit for possession

1. RAM (Karta) sold part of his land (ancestral land as per existing rules during 1998 when the sale deed was made) under a sale deed to SHAM. Sale deed is registered so its legal and proved in court. It means B holds the title of suit land and has the possession (proved in court). 2. KARAM, son of RAM filed a suit for declaration and injunction against RAM and SHAM. He said sale deed is not legal as land is ancestral. However, legal necessity was proved during the trial ie after the sale deed was signed and it was proved through an affidavit by RAM and by means of witnesses. 3. Trial court gave its decision in favour of RAM and SHAM in 2002. Court said that land is ancestral, legal necessity was proved, KARAM could not his possession and he himself admitted that in the court. 4. RAM died in Jun 2000 during pendency of proceedings. 5. Matter went to 1st appellate court. They just touched on the legal necessity and not on any other point. Decision of trial court was reversed and suit for declaration and injunction was given in Favour of KARAM in 2002. 6. SHAM went to high court. They also touched upon legal necessity and not on other aspects as to who is the title holder and who is in possession of the suit ?. They said we agree to the 1st appellate court in 2017. 7. Aggrieved, SHAM went to Supreme Court in 2017. Matter is in Apex Court now till dt. 1.What is the time limit for KARAM to ask for possession and this time limit starts from which date ? 2.SHAM is the title holder of suit land and also in possession. 3. As per latest ruling, if land is divided than it is not ancestral. Partition Between RAM and his brother was done in 1997, well before the sale deed was signed. Also, RAM claimed his share through partition suit with his brother as his brother had already sold and was in process of selling his share well before actual partition between them.