He was talking to media on the occasion of a campaign to raze illegal marriage halls in Korangi area of the metropolis.
Sharjeel Memon said that Imran Khan has full right to hold a rally in Karachi.
The information minister said that the chairman of Pakistan Tehreek-i-Insaf (PTI) will be provided as much security here as he would want.
In response to a question, he said that Bilawal Bhutto Zardari will not attend the rally on April 4, which will commemorate the execution of former prime minister of Pakistan and the PPP founder, Zulfikar Ali Bhutto.
On the occasion, Memon also issued directives for an action against absent employees in different public departments.