Archana Puran Singh's son, Aaryamann Sethi, celebrated his 30th birthday in London with a surprise treasure hunt organized by his family and fiancée, Yogita Bihani. The elaborate event involved Aaryamann deciphering clues across various London locations to find family members and gifts. The highlight was the unveiling of a Martin Co. OOO-15M acoustic guitar, valued at approximately Rs 2.12 lakh, gifted by Yogita Bihani.