How to define root element and attribute in xsd by using XML

?xml version="1.0" encoding="UTF-8"?
    <Branches>
        <Branchname name ="Civil">
            <employee>
            <eid>c_101</eid>
          <ename>Monica</ename>
             <age>25</age>   
             <branchcode>c1</branchcode>
              <branchname>Civil</branchname>
               <salary>20000</salary>
               <here 4 more employees are same branch>
               </employee>
               </Branchname> 
       < Branchname name ="CSE">
            <employee>
            <eid>c_501</eid>
          <ename>Reddy</ename>
             <age>25</age>   
             <branchcode>c2</branchcode>
              <branchname>CSE</branchname>
               <salary>24000</salary>
               <here 4 more employees are same branch>
               </employee>
               </Branchname>
             <Branchname name ="EEE">
            <employee>
            <eid>e_301</eid>
          <ename>Durga</ename>
             <age>28</age>   
             <branchcode>e3</branchcode>
              <branchname>EEE</branchname>
               <salary>24000</salary>
               <here 4 more employees are same branch>
               </employee>
          </Branchname>
           <Branches>