Sen, Sain Or Nai are Shudra.
Sushmita Sen belongs to a Bengali Baidya family.
In Bengali, "sen" is a common surname used by individuals belonging to different castes and communities, such as Kayastha and Subarna Banik. It does not exclusively denote a particular caste.
It seems like there may have been a typo in your question. However, if you are referring to the term "sen caste," there is no specific information or meaning associated with it. Please provide more context or clarification for a more accurate response.
Surly higher caste
No. The are Vaidya (Half brahmin or Kayastha i.e. Kshetriya)
He can not. Once they are born into a caste, they are stuck there. If some one from a higher caste chooses to marry some one from a low caste, then he moves down, instead of his spouse moving up.
No, Mehra is a higher caste from Punjab.
Kamma, Which is a very Higher Caste in South India.
rebirth into a higher caste in the caste system
Yes
No
1. Caste is determined at birth. It can't be changed.2. An orphaned child , acquires the caste of people who adopt it.3. A woman can acquire the higher caste of her husband.4. A Hindu can't acquire a higher caste by knowing the rituals of that caste. The rituals of higher caste are so simple that any one can learn them in a few days and thus are not that important. What is actually important is the Varna associated with the higher caste.5. There is a misconception that a Hindu, though good deeds, can acquire a higher caste in the next life.This misconception is due to the wrong interpretation of 'reincarnation', which actually means 'transformation of an activity every time it is repeated'.5. Since caste can't be changed, a Hindu can acquire a Higher Varna eternally. This would make him acceptable to people of Higher castes.