Hi! To answer the first part, the list of all colleges accepting the XAT score is given in the following link-

https://bschool.careers360.com/colleges/list-of-mba-colleges-in-india-accepting-xat

Now, there are various colleges which you can go for using the XAT scores. Taking example of  Xavier School of Management, Jamshedpur, the average placements in 2020 was around Rs. 15.42  Lakh Per Annum. As for the previous year 2019 the average package for XLRI went Rs. 14.31 Lakh Per Annum

Hope this helps!