Topics for the GD can be knowledge based, Abstract, Controversial or Opinion based.
It depends on the company you are interviewing for
Topics which are given by various companies in recent times are:-
- Bullet Train in India
- Demonetisation
- Whether Karnataka Elections were political yet ethical?
- Is GST a one nation one tax reform?
- Make in India Campaign
- EVA is better than Net Profit
- Crypto currencies
- NRC
- Social Media is a boon or bane