Why a seeker changes his name after renunciation means sanyas or after initiated by a guru..
As his mantra should be friendly with his name means both should come under familiar or same category...

From this one thing can be drawn that our name surely has an impact on ous ....as otherwise why does changing name or coming under same category is an essential and must for attaining Mantra Siddhi..

...but why.....
See think words are sounds
And every name is composed of different words
Mtlb ki उच्चारण सबका अलग अलग होता
So different types of words will attract different types of frequencies and hence different energies...as different word implies different sounds

So now see mantra contains in itself potential energy stored in it which is unawakened
We recite it again and again depending upon meter ( number of times a mantra should chanted which is written in our scriptures)and thus try to invoke that mantra
That means
We try to awaken it's potential energy so that we become capable of converting it into kinetic which means
So that we can use that energy to perform desired tasks....

How this happens...
By reciting a mantra again and again that is a type of sound.. we are attracting a type of frequency implies energy towards ous ...
Speaking same word means attracting same Energy
As same word
Same sound
Same frequency
Same energy
See our name is the thing which is used by people most of the time and it also has some affection with us
What we need in mantra sadhna is to have a certain affection with our mantra ....
As भावनाओ का होना बहुत मायने रखता
Above it every science fails
#non_physical_phenomena

Now if names of our word and mantra our word will be same then same type of energy will be around us most of time which will add a boon towards growth of our mantra sadhna ....

Now you add on

Mantra radiated energy depending on how they are chanted
Exception is Bhakti devotion
Even if one chants wrong mantra but with extreme devotion he can't be harmed .....reason still in search
जय श्री श्याम
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