Ans. Guru Nanak has given three main rules in regards to eating and wearing. Do not eat or wear what would result in:
1. Turning your joy into regret, just as it happens after the use of intoxicants and excessive rich food in lavish parties.
2. Making your body feel compressed, as when one wears extra-tight clothes as a result of which it becomes difficult for one to sit properly (e.g., in Gurdwara) or making it difficult for one to perform bodily functions.
3. Ones mind getting filled with foul thoughts, as it often happens on taking intoxicants.According to the Sikh code of conduct one should eat simple food and stay away from intoxicating substances. On what one should wear, the ‘Rehit Maryada’ says that except a turban and underwear, which must be worn, there is no restriction on the rest of the attire.
About restriction on eating there is a story. In the time of Guru Har Gobind a Hindu told a Muslim that he was thinking of converting to Islam because there are very few restrictions in Islam regarding what one could eat. Pandit Partap Mal, a learned man, was listening to this conversation. He said to the Hindu, “My good man, if you are planning to convert into another religion only because of eating restrictions, then why don’t you embrace the Sikh religion where there is practically no restriction on what one should eat. In Islam eating of pork is a taboo”.