Deepshikha's father Mukesh Kumar has lodged a dowry death case against her husband Sandeep, mother-in-law Nirmla and four others, the police said.
The woman was "unhappy and upset" ever since her marriage, said Parashu Ram, in-charge Sector 49 police station.
Deepshikha's husband, who works at AIIMS, Delhi, has been detained for questioning, the police official said.
He said Sandeep has studied up to class 10th while Deepshikha had completed her graduation in B.Ed.
Probe is on, he added.
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