All are absolute indications for amputation except,
Indications of amputation
I - Absolute indications

Burger's gangrene
Diabetic gangrene 
Irreparable loss of blood supply of injured limb
Fulminant infection / gas gangrene

Relative indications

Infections
Trauma
Burns
Frost bite
Tumors
Gas gangrene
Burger's gangrene
Frost bite
Diabetic gangrene