Here is the General list of Additional papers required in case of Balance Transfer of Loan from other bank :-
1)  Loan Sanction Letter of other bank
2)  Loan Track Record of other bank
3)  LOD (List of Original Property papers in the custody of other bank duly attested by bank)
4)  Foreclosure letter from other bank (Required after sanction of loan) 

For any further clarification, pl call 

Narinder Singh
Financial Point
Mob:- 999 999 9625, 9811559940