truly this time is klyug. According to sikh tenets Sikh religion is castless. But todays politicians have included SC, ST, BC, and OBC in sikh religion. If we have to go by these tenets either these persons are forced out of sikh religion (if they want to keep there SC/ST/BC/OBC certificates) or their certificates become illegal and void (if they want to embrace sikh religion). Second thing is that Guru Gobind Singh proposed middle name 'Singh' for males and 'Kaur' for females. But in this kalyug males are using 'Singh' as their surname/family name and females using 'Kaur' as their surname/family name. The surname 'Singh' is used by Rajput's division of Hindu's caste system, Jats of Haryana, etc. This also leads to anomaly. (for example) if Balwant Singh and Manmohan Kaur are married to each other then after marriage the name of Manmohan Kaur converts to Manmohan Kaur Singh.