Getting below error when my program trying to enter password

Exception in thread "main" org.openqa.selenium.NoSuchElementException: Unable to locate element: {"method":"xpath","selector":"//*[@id='Passwd']"}
Command duration or timeout: 13 milliseconds
For documentation on this error, please visit: http://seleniumhq.org/exceptions/no_such_element.html
Build info: version: '2.48.2', revision: '41bccdd', time: '2015-10-09 19:55:52'
System info: host: 'Sheetal', ip: '192.168.1.20', os.name: 'Windows 8.1', os.arch: 'amd64', os.version: '6.3', java.version: '1.8.0_40'
Driver info: org.openqa.selenium.firefox.FirefoxDriver
Capabilities [{applicationCacheEnabled=true, rotatable=false, handlesAlerts=true, databaseEnabled=true, version=43.0.4, platform=WINDOWS, nativeEvents=false, acceptSslCerts=true, webStorageEnabled=true, locationContextEnabled=true, browserName=firefox, takesScreenshot=true, javascriptEnabled=true, cssSelectorsEnabled=true}]
Session ID: 301cb82d-2ba9-4c3f-924f-7283ea73f919
*** Element info: {Using=xpath, value=//*[@id='Passwd']}
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:206)
	at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:158)
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:647)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:353)
	at org.openqa.selenium.remote.RemoteWebDriver.findElementByXPath(RemoteWebDriver.java:490)
	at org.openqa.selenium.By$ByXPath.findElement(By.java:361)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:345)
	at GmailLogin.main(GmailLogin.java:19)
Caused by: org.openqa.selenium.NoSuchElementException: Unable to locate element: {"method":"xpath","selector":"//*[@id='Passwd']"}
For documentation on this error, please visit: http://seleniumhq.org/exceptions/no_such_element.html
Build info: version: '2.48.2', revision: '41bccdd', time: '2015-10-09 19:55:52'
System info: host: 'Sheetal', ip: '192.168.1.20', os.name: 'Windows 8.1', os.arch: 'amd64', os.version: '6.3', java.version: '1.8.0_40'
Driver info: driver.version: unknown
	at <anonymous class>.FirefoxDriver.prototype.findElementInternal_(file:///C:/Users/PC-4/AppData/Local/Temp/anonymous855050823488946320webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js:10659)
	at <anonymous class>.FirefoxDriver.prototype.findElement(file:///C:/Users/PC-4/AppData/Local/Temp/anonymous855050823488946320webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js:10668)
	at <anonymous class>.DelayedCommand.prototype.executeInternal_/h(file:///C:/Users/PC-4/AppData/Local/Temp/anonymous855050823488946320webdriver-profile/extensions/fxdriver@googlecode.com/components/command-processor.js:12534)
	at <anonymous class>.DelayedCommand.prototype.executeInternal_(file:///C:/Users/PC-4/AppData/Local/Temp/anonymous855050823488946320webdriver-profile/extensions/fxdriver@googlecode.com/components/command-processor.js:12539)
	at <anonymous class>.DelayedCommand.prototype.execute/<(file:///C:/Users/PC-4/AppData/Local/Temp/anonymous855050823488946320webdriver-profile/extensions/fxdriver@googlecode.com/components/command-processor.js:12481)

import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;

public class GmailLogin {

	public static void main(String[] args) {

		WebDriver driver = new FirefoxDriver();
		driver.get("http://gmail.com");
		driver.findElement(By.id("Email")).sendKeys("MYEMAILID");
		driver.findElement(By.id("next")).click();
		
		driver.findElement(By.xpath("//*[@id='Passwd']")).sendKeys("MYPASSWORD");
		driver.manage().timeouts().implicitlyWait(60, TimeUnit.SECONDS);
		
		driver.findElement(By.id("signIn")).click();
		
		//driver.findElement(By.name("Passwd")).sendKeys("123");
		//WebElement username = driver.findElement(By.id("Email"));
		//username.sendKeys("MyEmailID");

	}

}