The Times of India. The Ramabai Ambedkar Rally Ground has reportedly been booked for December 5 and 6. This has fuelled speculation that the BSP may organise a major rally or public meeting on December 6, the. Lucknow (Uttar Pradesh) [India], April 14 (ANI): Former Uttar Pradesh Chief Minister and Bahujan Samaj Party (BSP) president Mayawati on Tuesday paid floral tribute to Babasaheb Bhimrao Ambedkar.