Polemics(noun)
Meaning: The practice of engaging in controversial debate or dispute.
Hindi meaning:वाद-विवाद
Synonyms: Debate, Discussion, Wrangling, Sparring, Disputation
Example: The history of science has become embroiled in religious polemics.
Trick to remember: Pole par mic laga kar polemics kar rahe the dono neta 
