This pretty cool Twitter bot was created by a Telegram fan.
/startcommand to the bot.
/helpto get back a list of commands or you continue with the fourth step.
/sub telegramto the bot and it will confirm your subscription. As soon as there are new posts from @telegram on Twitter, the bot would inform you. Unsubscribing works by sending the /unsub command, e.g. '/unsub telegram'
You can find more Twitter bots by searching for telegram twitter bots on e.g. Google.