Do u know this ?

                                                             NICK NAME OF THE CITY

• GRANITE CITY -  Jalour
• PINK CITY         - Jaipur
• METAL CITY     - Nagour
• GOLDAN CITY  - Jesalmer
• SUN CITY           - Jodhapur

                                                              INVENTORS

• WASHING MACHINE - James king
• SAFTY PIN                    - Walter Hunt
• VACCUM CLEANER    - Hubert booth
• MOBILE PHONE          - Dr. Martin cooper
• HELMET                        - Gottlieb Daimler