Step 1: Analyzing the question.
This question is asking about major competitions held in India that are conducted at the national level. These could be in the fields of sports, arts, culture, and education.
Step 2: Answer.
Some major national competitions held in India are:
1. National Games of India
2. National School Games
3. All India Music Competition
Step 3: Importance of these competitions.
These competitions bring together talents from across the country, assess their skills, and promote excellence at the national level.