You can use Cumulative update 10(46621) for the new implementation, if you already started implementing on NAV 2016 IN Build 45778 then you can merge the above fixes from APPLICATION folder of Cumulative update 10 stuff.
Government has introduced a new Cess called ‘Krishi Kalyan Cess (KKC)’ in Finance Act 2016 which will take effect from 01-Jun-2016. It is imposed on all taxable Services at the rate of 0.5%. KKC is not a Cess on Service Tax but it is a tax on taxable services in addition to Service tax. It would be calculated in the same way as Service Tax is being calculated.
Microsoft Dynamics NAV 2013
India – Krishi Kalyan Cess feature for Microsoft Dynamics NAV 2013
Please find more information about Cumulative Update 6 for Microsoft Dynamics NAV 2016 below.
Cumulative Update 6 includes all application and platform hotfixes and regulatory features that have been released for Microsoft Dynamics NAV 2016.
The cumulative update is intended mainly for solutions that are experiencing the problems described in the Knowledge Base article linked to below. However, you are advised to always keep your solution updated with the latest cumulative update. If you are in doubt about whether this cumulative update addresses your specific problem, or if you want to confirm whether any special compatibility, installation, or download issues are associated with this cumulative update, support professionals in Customer Support Services are ready to help you. For more information, see http://support.microsoft.com/contactus/.
The cumulative update includes hotfixes that apply to all countries and hotfixes specific to the following local versions:
AU – Australia
AT – Austria
BE – Belgium
CH – Switzerland
CZ – Czech Republic
DE – Germany
DK – Denmark
ES – Spain
FI – Finland
FR – France
IS – Iceland
IT – Italy
NA – North America
NL – Netherlands
NO – Norway
NZ – New Zealand
RU – Russia
SE – Sweden
UK – United Kingdom
Where to find Cumulative Update 6
You can download the cumulative update from KB 3151017 – Cumulative Update 6 for Microsoft Dynamics NAV 2016 (Build 45480).
Before you install a cumulative update in a production environment, take the following precautions:
Test the cumulative update in a non-production environment.
Make a backup of the system or computer where the cumulative update is to be installed.