no it is illegal
Carrying a knife is not a mandated practice in Sikhism. Sikhism promotes values of compassion, equality, and self-defense when necessary, but the religion does not explicitly require followers to carry a knife.
Sikhs do not carry knives, but infact a kirpan. A kirpan is one of the 5k's which all 'amrit shacke(loyal followers of Sikhism)' were instructed to wear by the 10nth Guru, Guru Gobind Singh Ji.
It is not legal for 'civilians' to posess CS gas in the UK, as it is classed as a firearm, but it is legal for trained police officers on duty to carry it. But it shouldn't be! It is not legal for 'civilians' to posess CS gas in the UK, as it is classed as a firearm, but it is legal for trained police officers on duty to carry it. But it shouldn't be!
A license would be a great idea, that way no one could fool around being a Sikh and wearing a kirpan. But so far, there is no such provision. Kirpan is a part of Sikhism. So they do not need a license or whatsoever. They are peaceful people in general.
Nothing ! It is illegal to carry a weapon of any kind even for self-defence.
See the link below for your answer
Kesh (Hair) Kada (Bracelet) Kanga (Comb) Kachha (The Innerwear) Kirpan (The Dagger which they carry with them)
a kirpan feels like a rough leather
The Kirpan is typically worn at the side, under the clothes.
every baptised sikh wears a kirpan. it is used for self defense
In the UK, it is legal to carry a knife with a folding blade of up to three inches or less in public. This does not include knives with mechanisms that allow the blade to 'lock' into place. Larger blades can be lawfully carried in public provided they are not 'banned blades' and the person carrying them must have a valid reason.
Initiated Sikhs (Khalsa Sikhs) carry the Kirpan as part of the five K's which they promise to adhere to on initiation. Kachh (short trousers/underwear), Kara (Steel Bracelet Kangha (Wooden Comb), Kesh (uncut hair), Kirpan (sword).