I'm having an aspiration to become best data scientist in market and now I'm working towards it.

Data Analyst ML Engineer Data Engineer Data Scientist
Programming Tools
(Python, C#, ASP.Net, VB.Net)
Machine Learning
(Supervised,Unsupervised,Reinforcement)
Algorithm
(Linear Regression,Polynomial Regression,Logistic Regression,Decision tree, K-Nearest Neighbors,Random forest,Gradientboosting,K-Means Clustering)
Statistics
(Frequency,Central Tendency,Dispersion or Variation,Position)
Database technology
(Oracle, SQL Server, My sql , sql lite, Hive)
Data Visualization and Communication
(Qik sense, Cognos ,tableau , OBIEE ,d3js, SSRS)
Data Wrangling
(Data exploration,Dealing with missing values,Reshaping data,Filtering data)