उदांश्रीनि उनाव ओनसोलनि 30 राजखुंथायारि रायजोफोरा खौसेजादोंमोन आरो 15 थि एप्रिल 1948 आव हिमाचल प्रदेशआ दाजादोंमोन ।
After Independence 30 princely states of the area were united and Himachal Pradesh was formed on 15th April 1948 .