diff --git a/README.md b/README.md
index a9d5bd6..a3a25ba 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,6 @@ TelegramBot
     * [new TelegramBot(token, [options])](#new_TelegramBot_new)
     * [.stopPolling()](#TelegramBot+stopPolling) ⇒ <code>Promise</code>
     * [.getMe()](#TelegramBot+getMe) ⇒ <code>Promise</code>
-    * [.getChat(chatId)](#TelegramBot+getChat) ⇒ <code>Promise</code>
     * [.setWebHook(url, [cert])](#TelegramBot+setWebHook)
     * [.getUpdates([timeout], [limit], [offset])](#TelegramBot+getUpdates) ⇒ <code>Promise</code>
     * [.sendMessage(chatId, text, [options])](#TelegramBot+sendMessage) ⇒ <code>Promise</code>
@@ -87,6 +86,10 @@ TelegramBot
     * [.downloadFile(fileId, downloadDir)](#TelegramBot+downloadFile) ⇒ <code>Promise</code>
     * [.onText(regexp, callback)](#TelegramBot+onText)
     * [.onReplyToMessage(chatId, messageId, callback)](#TelegramBot+onReplyToMessage)
+    * [.getChat(chatId)](#TelegramBot+getChat) ⇒ <code>Promise</code>
+    * [.getChatAdministrators(chatId)](#TelegramBot+getChatAdministrators) ⇒ <code>Promise</code>
+    * [.getChatMembersCount(chatId)](#TelegramBot+getChatMembersCount) ⇒ <code>Promise</code>
+    * [.getChatMember(chatId, userId)](#TelegramBot+getChatMember) ⇒ <code>Promise</code>
 
 <a name="new_TelegramBot_new"></a>
 
@@ -121,20 +124,6 @@ Returns basic information about the bot in form of a `User` object.
 
 **Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
 **See**: https://core.telegram.org/bots/api#getme  
-<a name="TelegramBot+getChat"></a>
-
-### telegramBot.getChat(chatId) ⇒ <code>Promise</code>
-Use this method to get up to date information about the chat
-(current name of the user for one-on-one conversations, current
-username of a user, group or channel, etc.).
-
-**Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
-**See**: https://core.telegram.org/bots/api#getchat  
-
-| Param | Type | Description |
-| --- | --- | --- |
-| chatId | <code>Number</code> &#124; <code>String</code> | Unique identifier for the target chat or username of the target supergroup or channel (in the format @channelusername) |
-
 <a name="TelegramBot+setWebHook"></a>
 
 ### telegramBot.setWebHook(url, [cert])
@@ -531,4 +520,55 @@ Register a reply to wait for a message response.
 | messageId | <code>Number</code> &#124; <code>String</code> | The message id to be replied. |
 | callback | <code>function</code> | Callback will be called with the reply message. |
 
+<a name="TelegramBot+getChat"></a>
+
+### telegramBot.getChat(chatId) ⇒ <code>Promise</code>
+Use this method to get up to date information about the chat
+(current name of the user for one-on-one conversations, current
+username of a user, group or channel, etc.).
+
+**Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
+**See**: https://core.telegram.org/bots/api#getchat  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| chatId | <code>Number</code> &#124; <code>String</code> | Unique identifier for the target chat or username of the target supergroup or channel (in the format @channelusername) |
+
+<a name="TelegramBot+getChatAdministrators"></a>
+
+### telegramBot.getChatAdministrators(chatId) ⇒ <code>Promise</code>
+Returns the administrators in a chat in form of an Array of `ChatMember` objects.
+
+**Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
+**See**: https://core.telegram.org/bots/api#getchatadministrators  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| chatId | <code>Number</code> &#124; <code>String</code> | Unique identifier for the target group or username of the target supergroup |
+
+<a name="TelegramBot+getChatMembersCount"></a>
+
+### telegramBot.getChatMembersCount(chatId) ⇒ <code>Promise</code>
+Use this method to get the number of members in a chat.
+
+**Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
+**See**: https://core.telegram.org/bots/api#getchatmemberscount  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| chatId | <code>Number</code> &#124; <code>String</code> | Unique identifier for the target group or username of the target supergroup |
+
+<a name="TelegramBot+getChatMember"></a>
+
+### telegramBot.getChatMember(chatId, userId) ⇒ <code>Promise</code>
+Use this method to get information about a member of a chat.
+
+**Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
+**See**: https://core.telegram.org/bots/api#getchatmember  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| chatId | <code>Number</code> &#124; <code>String</code> | Unique identifier for the target group or username of the target supergroup |
+| userId | <code>String</code> | Unique identifier of the target user |
+
 * * *
diff --git a/src/telegram.js b/src/telegram.js
index 49eaacb..efcc0c1 100644
--- a/src/telegram.js
+++ b/src/telegram.js
@@ -205,21 +205,6 @@ class TelegramBot extends EventEmitter {
     return this._request(_path);
   }
 
-  /**
-   * Use this method to get up to date information about the chat
-   * (current name of the user for one-on-one conversations, current
-   * username of a user, group or channel, etc.).
-   * @param  {Number|String} chatId Unique identifier for the target chat or username of the target supergroup or channel (in the format @channelusername)
-   * @return {Promise}
-   * @see https://core.telegram.org/bots/api#getchat
-   */
-  getChat(chatId) {
-    const form = {
-      chat_id: chatId
-    };
-    return this._request('getChat', { form });
-  }
-
   /**
    * Specify an url to receive incoming updates via an outgoing webHook.
    * @param {String} url URL where Telegram will make HTTP Post. Leave empty to
@@ -755,6 +740,62 @@ class TelegramBot extends EventEmitter {
       callback
     });
   }
+
+  /**
+   * Use this method to get up to date information about the chat
+   * (current name of the user for one-on-one conversations, current
+   * username of a user, group or channel, etc.).
+   * @param  {Number|String} chatId Unique identifier for the target chat or username of the target supergroup or channel (in the format @channelusername)
+   * @return {Promise}
+   * @see https://core.telegram.org/bots/api#getchat
+   */
+  getChat(chatId) {
+    const form = {
+      chat_id: chatId
+    };
+    return this._request('getChat', { form });
+  }
+
+  /**
+   * Returns the administrators in a chat in form of an Array of `ChatMember` objects.
+   * @param  {Number|String} chatId  Unique identifier for the target group or username of the target supergroup
+   * @return {Promise}
+   * @see https://core.telegram.org/bots/api#getchatadministrators
+   */
+  getChatAdministrators(chatId) {
+    const form = {
+      chat_id: chatId
+    };
+    return this._request('getChatAdministrators', { form });
+  }
+
+  /**
+   * Use this method to get the number of members in a chat.
+   * @param  {Number|String} chatId  Unique identifier for the target group or username of the target supergroup
+   * @return {Promise}
+   * @see https://core.telegram.org/bots/api#getchatmemberscount
+   */
+  getChatMembersCount(chatId) {
+    const form = {
+      chat_id: chatId
+    };
+    return this._request('getChatMembersCount', { form });
+  }
+
+  /**
+   * Use this method to get information about a member of a chat.
+   * @param  {Number|String} chatId  Unique identifier for the target group or username of the target supergroup
+   * @param  {String} userId  Unique identifier of the target user
+   * @return {Promise}
+   * @see https://core.telegram.org/bots/api#getchatmember
+   */
+  getChatMember(chatId, userId) {
+    const form = {
+      chat_id: chatId,
+      user_id: userId
+    };
+    return this._request('getChatMember', { form });
+  }
 }
 
 module.exports = TelegramBot;
diff --git a/test/README.md b/test/README.md
index a34547c..4e8f583 100644
--- a/test/README.md
+++ b/test/README.md
@@ -4,5 +4,7 @@ Running the tests:
 export TEST_TELEGRAM_TOKEN=<YOUR_BOT_TOKEN>
 # User Id which you want to send the messages.
 export TEST_USER_ID=<USER_ID>
+# Group Id which to use in some of the tests, e.g. for TelegramBot#getChat()
+export TEST_GROUP_ID=<GROUP_ID>
 npm run test
 ```
diff --git a/test/index.js b/test/index.js
index cf4b0a4..4c04789 100644
--- a/test/index.js
+++ b/test/index.js
@@ -14,6 +14,7 @@ if (!TOKEN) {
 
 // Telegram service if not User Id
 const USERID = process.env.TEST_USER_ID || 777000;
+const GROUPID = process.env.TEST_GROUP_ID || -1001075450562;
 
 describe('Telegram', function telegramSuite() {
   describe('#setWebHook', function setWebHookSuite() {
@@ -140,6 +141,34 @@ describe('Telegram', function telegramSuite() {
     });
   });
 
+  describe('#getChatAdministrators', function getChatAdministratorsSuite() {
+    it('should return an Array', function test() {
+      const bot = new Telegram(TOKEN);
+      return bot.getChatAdministrators(GROUPID).then(resp => {
+        assert.ok(Array.isArray(resp));
+      });
+    });
+  });
+
+  describe('#getChatMembersCount', function getChatMembersCountSuite() {
+    it('should return an Integer', function test() {
+      const bot = new Telegram(TOKEN);
+      return bot.getChatMembersCount(GROUPID).then(resp => {
+        assert.ok(Number.isInteger(resp));
+      });
+    });
+  });
+
+  describe('#getChatMember', function getChatMemberSuite() {
+    it('should return a ChatMember', function test() {
+      const bot = new Telegram(TOKEN);
+      return bot.getChatMember(GROUPID, USERID).then(resp => {
+        assert.ok(is.object(resp.user));
+        assert.ok(is.string(resp.status));
+      });
+    });
+  });
+
   describe('#getUpdates', function getUpdatesSuite() {
     it('should return an Array', function test() {
       const bot = new Telegram(TOKEN);