diff --git a/lib/open_weather_api/base.rb b/lib/open_weather_api/base.rb
index 61ca01e..13b401d 100644
--- a/lib/open_weather_api/base.rb
+++ b/lib/open_weather_api/base.rb
@@ -1,3 +1,5 @@
+#Base class with functions common to all other classes
+
 require 'httparty'
 require 'addressable/uri'
 module OpenWeather
diff --git a/lib/open_weather_api/current_weather.rb b/lib/open_weather_api/current_weather.rb
index 02fb6de..0ea158b 100644
--- a/lib/open_weather_api/current_weather.rb
+++ b/lib/open_weather_api/current_weather.rb
@@ -3,12 +3,33 @@ class Current < Base
 
     @api_url = 'http://api.openweathermap.org/data/2.5/weather'
     
-    #format : Cochin,IN
+    #City format : Eg, Cochin,IN
+    #Useage:  OpenWeather::Current.city('Cochin,In')
     def self.city(city, options = { })
       query = Hash.new 
       query[:q] = city
       send_request query.merge!(options), @api_url
     end
+
+    #City Geographics Cordingates : Eg, lat 35 lon 139
+
+    def self.geographic_cordinate(lat, lon, options = {})
+      query = Hash.new 
+      query[:lat] = lat
+      query[:lon] = lon
+      send_request query.merge!(options), @api_url
+    end
+
+    alias :geographic_cordinate :geocode
+
+    #City Id, an integer value. Eg, 2172797
+    #Useage: OpenWeather::Current.city_id(2172797)
+
+    def self.city_id(city_id, options = {})
+      query = Hash.new 
+      query[:id] = city_id
+      send_request query.merge!(options), @api_url
+    end
   end
 end