Hello Veda
:icon10:The cheapest way of recruitment is through Internal Job Posting through the available internal portal, Mails, SMS, Identifying the excessive manpower and their transfer with suitable training. To make it more effective Employee reference you may introduce an incentive scheme, if any suitable candidate is selected through employee. If the incentive amount is exceeding Rs.1000/-, then, you may pay this incentive in three months within 6 months, keep a track record and his continuance with you.