Arush, it is possible your bird is male. But from pictures, it is exceptionally difficult to tell due to the amount of black feathering. I highly, highly recommend looking into a balanced diet for your parrot. Black feathering is often a result of the following:
- Possible vitamin A deficiency; prolonged deficiency can result in long term medical care or diminish the length of your parrot's life span. Some vitamin A rich foods are carrots, sweet potato, kale, spinach, red pepper, mangoes, or apricots.
- Lack of vitamin D3 or sunlight; this can be supplement with well balanced pellets such as Harrison's, or simply through direct sunlight.
- Liver Disease; when a bird's diet is too high in fat (in other words, fed an all seed diet), then liver tissue is replaced with fatty tissue reducing the capabilities of the organ. This results in many things, one of them being poor feather colouration. A change in diet and activity can help curb this, but it is very difficult to treat when it is in its late stages.
While seed diets are the easiest to afford or attain, they are the most unhealthy for the majority of domesticated parrots. Balanced pellets with low sugars/colouring with fresh vegetables/fruits is the best way to prolong the time spent with our feathery friends. Alexandrines are well known for living up to 25-30 years when kept healthy in mind and body.