Kiteconnect - 403 forbidden

I'm trying to connect to kiteTicket and getting the below error.
I'm passing the correct api key and access token (got it from redirect url with success).
I have created account today only. Is it anything to do with activation?

DataFeed Connecting to KITE...

['CONNECT_TIMEOUT', 'EXCHANGE_MAP', 'MODE_FULL', 'MODE_LTP', 'MODE_QUOTE', 'RECONNECT_MAX_DELAY', 'RECONNECT_MAX_TRIES', 'ROOT_URI', '__class__', '__delattr__', '__dict__', '__doc__', '__format__', '__getattribute__', '__hash__', '__init__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', '_close', '_create_connection', '_is_first_connect', '_maximum_reconnect_max_tries', '_message_code', '_message_setmode', '_message_subscribe', '_message_unsubscribe', '_minimum_reconnect_max_delay', '_on_close', '_on_connect', '_on_error', '_on_message', '_on_noreconnect', '_on_open', '_on_reconnect', '_parse_binary', '_parse_text_message', '_split_packets', '_unpack_int', '_user_agent', 'close', 'connect', 'connect_timeout', 'debug', 'is_connected', 'on_close', 'on_connect', 'on_error', 'on_message', 'on_noreconnect', 'on_open', 'on_order_update', 'on_reconnect', 'on_ticks', 'reconnect_max_delay', 'reconnect_max_tries', 'resubscribe', 'root', 'set_mode', 'socket_url', 'stop', 'stop_retry', 'subscribe', 'subscribed_tokens', 'unsubscribe']
Unhandled Error
Traceback (most recent call last):
File "/home/revendrk/anaconda/lib/python2.7/site-packages/twisted/internet/base.py", line 428, in fireEvent
DeferredList(beforeResults).addCallback(self._continueFiring)
File "/home/revendrk/anaconda/lib/python2.7/site-packages/twisted/internet/defer.py", line 321, in addCallback
callbackKeywords=kw)
File "/home/revendrk/anaconda/lib/python2.7/site-packages/twisted/internet/defer.py", line 310, in addCallbacks
self._runCallbacks()
File "/home/revendrk/anaconda/lib/python2.7/site-packages/twisted/internet/defer.py", line 653, in _runCallbacks
current.result = callback(current.result, *args, **kw)
--- <exception caught here> ---
File "/home/revendrk/anaconda/lib/python2.7/site-packages/twisted/internet/base.py", line 441, in _continueFiring
callable(*args, **kwargs)
File "/home/revendrk/anaconda/lib/python2.7/site-packages/twisted/internet/base.py", line 1256, in _reallyStartRunning
self._handleSignals()
File "/home/revendrk/anaconda/lib/python2.7/site-packages/twisted/internet/posixbase.py", line 295, in _handleSignals
_SignalReactorMixin._handleSignals(self)
File "/home/revendrk/anaconda/lib/python2.7/site-packages/twisted/internet/base.py", line 1221, in _handleSignals
signal.signal(signal.SIGINT, self.sigInt)
exceptions.ValueError: signal only works in main thread

ERROR:kiteconnect.ticker:Connection error: 1006 - connection was closed uncleanly (WebSocket connection upgrade failed (403 - Forbidden))
DataFeed Error occured while connecting to RT feed. connection was closed uncleanly (WebSocket connection upgrade failed (403 - Forbidden))
ERROR:kiteconnect.ticker:Connection closed: 1006 - connection was closed uncleanly (WebSocket connection upgrade failed (403 - Forbidden))