a) There are 3 test series - NEET Test Series, Bio-Topic Test Series, AIIMS Test Series.
b) All the tests would be open for a period of 1 week, so you can give the tests whenever you want to within the timeframe.
c) All the Model Tests( which would cover the entire course) will be provided with video explanations from experts.
d) There are Rewards to be won in every test if you secure a Rank in the Top 10.