How to delete Topic in kafka 0.8.1 ?

I am using Kafka 0.8.1 and I tried to execute Topic delete command but
still Topic list showing that specific Topic.

Topic Delete commad which i used:

*bin/kafka-topics.sh --zookeeper zk_host:port/chroot --delete --topic
my_topic_name*

How can i verify that my_topic is deleted ?

Is there specific steps to delete Topic in Kafka 0.8.1 ?

Thanks in advance!