sandhi ke bare me explain kijiye reeply fast

sandhi ka arth he mel.do varno ke mel se jo parivartan hota hai use sandhi kehte hein.sandhi teen prakar ke hote hain ,woh hain-swar sandhi,vyanjan sandhi,visarg sandhi.asa hai apko sahayata milegi.baki ke jankari aap hindi ke study material me jakar fir vyakaran me sandhi se padh sakte hain.