Depending on the size and the business requirement, you can choose from different modules which Tally offers:
Silver Rental (Single user edition) INR 600/month (+18% GST)
Silver Perpetual (Single user edition) INR 18,000 (+18% GST)
Gold Rental (Unlimited multi-user edition) INR 1,800 (+18% GST)
Gold Perpetual (Unlimited multi-user edition) INR 54,000 (+18% GST)