In one way this would make sense to choose a veteran like Taposh for the pace department. As worst case scenario, would be perform similarly as current battery like Rubel or Rajib. Trying a newbie may backfire and cause further damage compared to existing quicks. India called back Agarkar after a long break and he did not disappoint the selectors. Considering the situation, bringing in someone who is well experienced and doing lot better in domestic may suite well for the team.
Human mind has all the power, when your mind is grind grit wins the battle. Go Bangladesh. Be the world number one in Test Ranking.