It is always better to buy good quality food/ service/ entertainment at a premium and consume it in lesser quantity and relish it. That is best for health, happiness and wealth.
Checking out the plan at 5paisa, they are delivering you options at INR 2 / lot. That is something significant under the 999 plan. This investment of INR 999 upfront will incentivise lot of trading when one shouldn’t be really trading. This in a market that is already RED with fledgling traders blood money, could only make matters worse.
Exposure that they are providing might change tomorrow if the requirement from SEBI mandates. Zerodha team may add more on this point.