Ya........sure you can make use of 'Telescopic Benefit' as long as either of the journeys that you undertake is not in a - Rajdhani,Duranto,Garib Rath,Shatabdi,Jan Shatabdi........if i remember precisely.For more info,follow the link -
/faq/post/81 and please don't call me,Sir.I may be just 4 years older to you.