In the year 2007 she was elected as the MCD councillor from Kohat Enclave ward and for the next 3 years she was an active member of the Standing Committee where constantly she kept raising the issues for the welfare of the society and Delhi. Currently she is the Chairman of the Appointment Committee, where she is constantly devising policies to make the working of MCD employees more efficient.
In the year 2013, she was the Vice President, BJP Delhi State[. In the year 2012 to the present, she is serving as a member of House (Councillor) from Sawan Park (Ward No. 66), North Delhi Municipal Corporation (NDMC) In the year 2012 to 2013 she was the Mayor, North Delhi Municipal Corporation (NDMC) During the year 2007 to 2012 she was the Member of House (Councillor) from Kohat Enclave (Ward No. 63), Municipal Corporation of Delhi (MCD. ) In the year 2007 to 2010 she was Member Standing Committee, Municipal Corporation of Delhi (MCD). In the year 2010 to 2012 she was Chairperson, Appointment, Promotion and Disciplinary.
In the year 1998 she was Deputy Mayor of Delhi, Municipal Corporation of Delhi (MCD). In year 2007 to 2010 she was Member Standing Committee, Municipal Corporation of Delhi (MCD). In year 2010 to 2012 she was Chairperson, Appointment, Promotion and Disciplinary Action Committee, Municipal Corporation of Delhi (MCD). In 1999 she served as Chairperson, Education Committee, Municipal Corporation of Delhi (MCD). In 1998 she was Member Parliamentary Board, BJP Delhi State
In the year 1998 she was the Member of Parliamentary Board, BJP Delhi State. Also, 1998 she was Deputy Mayor of Delhi, Municipal Corporation of Delhi (MCD). In year 1997 to 2002 she was the Member of House (Councillor) from Model Town, Municipal Corporation of Delhi (MCD). In year 1995 to 1997 she was the member Disciplinary Committee, BJP Delhi also in year 1995 she was Vice President, Mahilla Morcha, BJP Delhi.
In the year 1983 to 1984 Mira Aggrawal was joint Secretary, Delhi University Students Union (DUSU) from Akhil Bharatiya Vidyarthi Parishad (ABVP). During 1978 – 1983 she was in charge of State executive member, State Joint Secretary, State Girls Incharge, Akhil Bharatiya Vidyarthi Parishad (ABVP). In the year 1978 she was a part of Rashtriya Sevika Samiti (15 Day Camp), and started RSS shakha of girls in Model Town.
During 1983 to 1984, Mira Aggrawal was joint Secretary, Delhi University Students Union (DUSU) from Akhil Bhartiya Vidyarthi Parishad (ABVP). During the year 1978 to 1983 she was in charge of State executive member, State Joint Secretary, State Girls Incharge, Akhil Bharatiya Vidyarthi Parishad (ABVP). In the year 1978 she was a part of Rashtriya Sevika Samiti which was a 15 Day Camp and hence she started RSS shakha of girls in Model Town.