Superstition is fear of uncertainty: Mindspace, The New Indian Express
Superstition is merely fear of uncertainty- The New Indian Express
com/opinions/mindspace/2019/ feb/15/superstition-is-merely- fear-of-uncertainty-1939059. html
M Chengavaraya Chetty (M C Chetty) was In-Charge of Thiruvananthapuram RBI during 1970's. He considered "Rahukalam" as inauspicious to do anything important. His signature is writing his name in full. If "Rahukalam" started before he could finish his signature, it was his practice to leave the signature on the cheques halfway and continue 90 mins later.
M G Warrier