found some infor
Only in prithviraj raso it is written that Prithviraj Chauhan killed Ghori which was composed much later by chandbardai's son.where as in other texts it is very much clear that Ghouri who captured prithviraj chauhan killed him for planning a conspiracy against him......also the text and coins shows that prithviraj chauhan was forced to accept the islamic religion and that was what prithviraj did so as to show muhammad that he is obeying his order,but when ghori came to know about the fact that prithviraj chauhan is planning a conspiracy against him,he immediately ordered his courtier to stabb him........ death of prithviraj chauhan is still under a big question mark.....
So even though Prithviraj Chauhan's graves lays in Afghan it is still unclear how the king died...
Some Myths
The greatest myth lies in the stories that mention certain incidents in the local Rajasthani language stating that PrithviRaj Chauhan actually defeated Mohammad Ghori more than twice but rather six times & he generously allowed him to return back. Also after the defeat of Prithvi Raj Chauhan in the seventh battle, he was taken to Ghor, where he was blinded for not accepting the supremacy of Mohammad Ghori. Chand Bardai a poet cum friend of Prithviraj came to his rescue by devising a plan to kill the sultan of Ghor. Chand approached the Sultan of Ghor & informed him that Prithviraj was an excellent archer & could hit any target just by hearing the sound & would only accept this order by a king.This proposal was accepted by Ghori. On the said day, Ghori sitting in his royal enclosure had Prithiviraj brought to the ground and had him unchained for the event. On Ghori's ordering Prithviraj to shoot, Prithiviraj turned in the direction from where he heard Ghori speak and struck Ghori dead with his arrow. This event is described by Chand Bardai in the couplet, "Char bans, chaubis gaj, angul ashta praman, Ete pai Sultan hai (Taa Upar hai Sultan). Ab mat chuko Chauhan."(Ten measures ahead of you and twenty four feet away, is seated the Sultan, do not miss him now, Chouhan).