Krishnan Raman became the commander - in - chief of the Chola army under Raja Raja 's son Rajendra Chola .
Krishnan Raman assumed the traditional title Rajendrasola Brahmarayan .
Krishnan Raman became the commander - in - chief of the Chola army under Raja Raja 's son Rajendra Chola and assumed the traditional title Rajendrasola Brahmarayan .