ImmigrationN

My asylum was granted. I m from Nepal. . My beneficiary document was also granted from immigration. I wanna visit to India. I heard that, if i leave the country before coming my beneficiary immigration will make delay of pending process document of my beneficiary or my beneficiary could not come in time in the USA. IS THAT TRUE . WHAT WOULD I DO. Can i go to India to viist . Is that effect

can u pls tell me hw long does it take for someone to receive his permanent resident green card cos ve enter u s since a month ago and ve nt receive any letter yet. thanx ,i comin tru visa lottery thanx