How to tackle –Ve marking:
One cannot qualify the UPSC Exam by the process of flukes or luck.
Those who are well versed & prepared will have an extra bonus & benefit so they need not to worry at all.
Be consistent & continue working hard.
Just follow few tips:
1. Practice a lot through mock test/ Previous years solved paper by making a real time ambience.
2. Never dissipate time in a particular question.
3. Guess but prudently and carefully.