A parent company is a company that owns or controls another company, known as its subsidiary. The parent company may have full or partial ownership of the subsidiary and can influence its business operations and decisions.
Regarding GST (Goods and Services Tax), if a business is registered under GST, it is assigned a unique GST Identification Number (GSTIN). The GST Trade Name is the name under which the business operates and is registered for GST purposes.
For Joseph Mathew, if he owns a business registered under GST Trade Name - Aquagrand, it means that "Aquagrand" is the official business name used for tax and compliance purposes under GST. The parent company (if applicable) would be the entity that legally owns "Aquagrand."