Tally have any plan to upgrade their product in cloud like Odoo, Sapp Etc...
As a core product mostly NO.....From the inception it is designed and developed as a desktop software with an primary objective of keeping business financial data safe.
Beside utility, it comes with an perpetual licensing policy with optional renewals that becomes a cost effective solution for small and medium businesses where as nearly all SaaS providers like Zoho, QuickBooks, Odoo, etc comes with Yearly, User Based, Feature based complex subscriptions.
As an alternative to meet cloud access requirements of current generation they have introduced Tally on Cloud solution along with Amazon AWS infrastructure as they are known for its security and privacy.
You may explore Tally on Cloud solution here : https://tallysolutions.com/tallyprime-on-aws/
Regards,
Dhaval Goradia