Suggest Diet Plan To Gain Weight

Hi am 23 years boy old 5.2inch height..i want to do exercise at home..with diet milk.Apple,eggs, banana. Rice and bread..and now my weight is 45kg..si want to gain weight in 2months at least 5kg...what supplement i should take??Is ayurwin nutrigain powder is safe? Should take capsule with this? How long can i take this??