The correct options are
B 1992 - Rajiv Gandhi was assassinated
C 1991 - Babri Masjid demolition
The BJP organised Rath Yatra in 1990.
The Indian politics took a turn in 1991. Rajiv Gandhi was assassinated during the election campaigns by a suicide bomber from the LTTE.
In December 1992, the organisations supporting the construction of the temple in place of Babri Masjid organised a Karseva for building the Ram temple. On 6 December 1992, thousands of people gathered from all over the country at Ayodhya and demolished the Babri Masjid.