March 16 (Reuters) - Colombia's Grupo Aval reported on Wednesday a 7.9% drop in quarterly net profit to 1.29 trillion Colombian pesos ($336.73 million).

Grupo Aval includes banks Banco de Bogota, Banco Popular, Banco AV Villas, Banco de Occidente , Corporacion Financiera Colombiana and pension fund Porvenir.

Interest income was up 7.4% between October and December to 5.17 trillion pesos. ($1 = 3,831.0100 Colombian pesos) (Reporting by Carolina Pulice and Noe Torres; Editing by Muralikumar Anantharaman)