Telangana unit BJP president and MLA K Laxman and senior party leaders addressed the gathering in the area.
Sources said the party expects to collect one lakh signatures.
A case of sedition under section 124A of IPC was registered against the Hyderabad MP by Saroor Nagar police here on July 15 in a court referred matter following a private complaint filed by a practising advocate K Karuna Sagar.
The NIA had arrested five persons and detained six others, including a techie, after conducting searches at different locations in the old city area last month.
