Mary Kom takes the oath as a member of the Rajya Sabha in April, 2016, as Prime Minister Narendra Modi watches. Pic/PTI

New Delhi: Comparisons of her dual role with a certain Manny Pacquiao only evoke laughter from MC Mary Kom but the five-time world champion says being an active boxer and a Parliamentarian at the same time is no laughing matter as the twin jobs are exhausting and exhilarating in equal measure.