The friends, colleagues and any interested persons / students can be referred to the online practice website. Thus the needed persons are guided correctly.
The Person who is referring is awarded with monetary benefits. The person can login in his ID and can purchase the online test packs using the referral code.
The person who referred receives five rupees for the purchase. Thus the person can accrue the benefits they are noted in his Login and they are saved in the database.
Once the adequate amount is accrued in the person's account he can purchase the software for free and can use it.