Basant Kumar Birla, grandfather of Kumar Mangalam Birla and the youngest son of philanthropist Ghanshyam Das Birla, passed away in Mumbai recently, due to age-related ailments. He was 98. He was the Chairman of Century Textiles and Industries, and had been active in business since the age of 15. His only son Aditya Vikram Birla had died in 1995.