Bank of Punjab , Centurion Bank Merged With HDFC Bank

 Around 2005 Bank of Punjab merged with Centurion Bank renamed at Centurion Bank of Punjab

For every 4 shares of Bank of Punjab 9 shares of Centurion Bank were allotted .

https://timesofindia.indiatimes.com/business/india-business/Bank-of-Punjab-Centurion-merge/articleshow/1156032.cms

Around 2008 Centurion Bank  merged with HDFC Bank 

For every 29 shares of Centurion Bank 1 share , Rs 10 paid up of HDFC Bank was allotted 

https://www.rediff.com/money/2008/feb/25hdfc.htm

 

Important; HDFC Bank share was Rs. 10 paid around 2008

It has since been split to Re 1

 

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