Want for permition to contributing

[Paul Backus]

On Thursday, 28 February 2019 at 13:32:39 UTC, Soumadip Dey wrote:
> Respected Sir
>    My name is Soumadip Dey.I am from Burdwan,Westbengal.I saw 
> you d programming language.It is very good language.I also in 
> btech course. I want to start contributing with open source 
> project so if you kindly allow me to start i will be thankfull 
> to you .Sir help me how to start contributing with your project 
> and i also want to participate in gsoc 2019 with your 
> organisation not only that but also i want to improve some new 
> features/function in your d programming language.

This page on the D Wiki might be helpful to you:

https://wiki.dlang.org/Get_involved