title: How to find Bottom-left and Top-right latitude and longitude from given latitude and longitude?
body: <p>I want to convert given latitude and longitude as per below:-</p>
  
  <ol>
  <li>Bottom-left latitude</li>
  <li>Bottom-left longitude</li>
  <li>Top-right latitude</li>
  <li>Top-right longitude</li>
  </ol>
  
  <p>For example, I have a Latitude:29.0167 and Longitude:77.3833. Now How I can convert these co-ordinate to Bottom-left latitude,Bottom-left longitude,Top-right latitude and Top-right longitude.</p>
  
  <p>Please can any one help me.</p>