in the latest episode of kaun banega crorepati amitabh bachchan welcomes guests from the medical professional sandhya makhija is the first contestant to take the hotseat she recites a poem which she dedicated to the hostcontestant sandhya is a state tax inspector in the gst department she states that she keeps an eye on the black money laundering and helps tax payers she asks big b if he has paid his gst big b jokes and says had he not paid his taxes he wouldnt be sitting here he also tells her to pay the gst after winning the amount else one of her colleagues might fine hershe takes the help of audience poll lifeline for the third question what does the letter f labeled on keys on the first row of a standard computer keyboard stand for a formula b function c font and d factorthey help her win rs 3000 with the correct answer is b functionshe talks about starting work at the age of 20 as amitabh bachchan hesitantly asks her age he lauds her achievements by the age of 24 sandhya speaks about her financial struggles and left her mbbs to support her family and siblingsbig b requests all to give all the girls a chance to study and not just marry them off he calls her an inspirationshe uses second lifeline 5050 for rs 20000 question in the question a scene from vidya balans film sherni was shown the question was the plot of this film revolves around the capture of which animal after using the lifeline sandhya answered tiger as the correct answerin the next question she is shown a picture and the question around it is on the banks of which river was this fort built by rani ahilya bai holkar options a godavari b narmada c tapi d betwasandhya answers option a but the correct answer is option b she is unable to answer question for rs 40000 and takes home rs 10000sarbjeet singh becomes the next contestant to take the hotseat he is a school teacherafter a question related to the pulse rate big b goes to check his own pulse rate he says i dont have any later he says after i met with an accident doctors operated my wrist and since then i cant feel my pulse on my wrist sometimes i joke with others to check my pulse and then they get shocked unable to find it i find it funny at timesfor the unversed in 2010 big b had written about meeting with an accident in his blog his hand was seriously injured and heres an excerpt from the blog which reads the very next year after the myasthenia a bomb exploded in my hand yes the left again at the time of diwali it was a spurious anar the sparkling fountain and as i was lighting it exploded in my hand the entire palm and the area below my wrist burnt