Please ans my following questions as soon as possible

total 64 isomers. first select the chiral centre then geometrical centers

Stereoisomers are both geometrical as well as optical, right Roni?

https://doubtnut.com/question-answer-chemistry/how-many-stereoisomer-may-have-this-natural-occuring-compound-248385211 check this video explanation

This is asymmetrical system. You just have to calculate the number of stereogenic centres (i.e geometrical + optical). Why are you facing problems in these type of questions, Roni?...