PAB &DSO for future

I am from Chandigarh(INDIA). My nephew is under medical consultation with AIIMS, New Delhi. They are suggesting as follows.......
1. PAB
2. DSO and Valve Repair

Diagnose...........
1.CTGA
2.LT AV Valve Regurgitation
3. Dextrocardia
4.Left LV supplying blood to lungs & RV to the body.


Please suggest me the post surgical complication & remedy for that. From where to get the surgery done with minimal risk & what would b the expenditure.
For more information ,Please have the number of his father::::***********,***********.......
Please suggest its very urgent sir...................................eagerly waiting for the reply...................

Regards,

DIKSHA PANWAR.