Dhanteras, which marks the beginning of the first day of the five-day Diwali festival, is considered auspicious to buy gold and silver. It also marks the beginning of the biggest wedding season. Buying gold on auspicious occasions is a part of the Indian tradition. So what form of gold should you opt for this Dhantrayodashi? You can either buy traditional gold jewelry or opt for digital gold or gold ETFs of gold funds depending upon your budget and requirements, and of course not to forget the investment horizon also.