• Estimation of parameters of mixed geometric failure models from type 1 progressively grouped censored sample.
• A problem in discrete life testing with processive changing failure rate.
• Estimation of 2 parameter Geometric distribution under type 2 and multiply type 2 censoring.
• Progressively type 2 censored sample from geometric life time model.
• ML estimation in geometric competing risk failure model from type 1 censored and group censored samples.
• Hypo-geometric distribution discrete life time model.
• Maximum likelihood estimation in the truncated

       type 1 censored single parameter natural  exponential family.

• Some result on ML estimators of parameters of geometric distribution under type 1 progressive censoring.
• Best linear unbiased estimation based on order statistics from geometric distribution