Nagpur, May 23 (ANI): RSS ideologue MG Vaidya on Friday said that it is up to the expelled BJP leader Jaswant Singh to decide whether he wants to join the BJP again or not. Stirring speculations about his return to BJP, Singh on Friday met BJP's veteran leader LK Advani. 77-year-old Jaswant Singh contested as an independent candidate in Lok Sabha polls from Barmer after BJP refused to field him from there. BJP fielded Sonaram Choudhary from Barmer.