If two letters are very close, for the convenience of pronunciation, if both of them merge into one letter or transform into it, or if one of them disappears or converts to both, then such a union is called a treaty. 'Who gave this definition ?
If two letters are very close, for the convenience of pronunciation, if both of them merge into one letter or transform into it, or if one of them disappears or converts, then such a union is called a treaty . ' Muhammad Shahidullah gave.