It should contain basics about caste system, its foundational basic and socio-cultural and economic aspects.
You can start with historical aspects also.
Explain how it is curse to Indian society.
Explain the background and discuss how caste system become rigid leading to socio-economic discrimination.
Give historical aspects of Varna system.
Now discuss various issues involved in Varna system with focus on deprivation of socio-economic services to the lower most section of the society in social hierarchy.
How the occupational structural is changing the caste system.
The economic empowerment and the weakening of caste is way forward
While discussing the on-going caste related socio-economic and political efforts by various institutions like government, civil society, education system etc., write measures to dismantle this enduring curse of social hierarchy.