Решение:
My father says that if we travel to India in November, we will take part in Diwali. Diwali is one of the biggest Hindu festivals. It is celebrated every autumn in October or November. The festival lasts for 5 days, the 3rd day being the most important day, when the Festival of Lights takes place. At the festival, people let off colourful fireworks, light traditional lamps, and candles around their homes to attract the goddess of wealth and prosperity, Lakshmi. Diwali is often compared to the European New Year. Many legends about the holiday have survived to this day. The main theme of the legends symbolises the victory of good over evil. Diwali also marks the end of
Текст после преобразования слов получится следующим:
My father says that if we travel to India in November, we will take part in Diwali. Diwali is one of the biggest Hindu festivals. It is celebrated every autumn in October or November. The festival lasts for 5 days, the 3rd day being the most important day, when the Festival of Lights takes place. At the festival, people let off colourful fireworks, light traditional lamps, and candles around their homes to attract the goddess of wealth and prosperity, Lakshmi. Diwali is often compared to the European New Year. Many legends about the holiday have survived to this day. The main theme of the legends symbolises the victory of good over evil. Diwali also marks the end of.
Таким образом, корректно заполненный текст будет грамматически правильным и содержательным.