Question Summary:
is not permissible to bury a Christian in a Muslim cemetery.

Question Detail:

is It permissible to bury a Christian in a Muslim cemetery.

Answer :

In the name of Allah, Most Gracious, Most Merciful
Assalaamu `alaykum waRahmatullahi Wabarakatuh
It is not permissible to bury a Christian in a Muslim cemetery.
And Allah knows best
Wassalam
Mufti Ebrahim Desai
Darul Iftaa, Madrassah In'aamiyyah