A political row broke out on Sunday after a Bharatiya Janata Party MLA appeared to use a derogatory remark against Mayawati, inviting an angry reaction from the Bahujan Samaj Party chief’s outfit and the National Commission for Women. Referring to the recent announcement of an alliance between the Akhilesh Yadav-led Samajwadi Party and BSP, Uttar Pradesh BJP legislator Sadhana Singh …