Format for u/sec 24 cpc in district court tamil nadu

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Dear Bharat Sir

What are all documents needed will filing Tr OP in District Court to ( Sub Court 1 transfer 3  similar cases to orther sub court 2 )within Limit of district under 24 cpc

My Questions below-

1) Affidait and petition is ok for filing Tr OP else what are list of document?

2) Respondents are Totally- 25 Nos in that 8 respondents are appearing through  lawyers,

rest all are Ex -Parte since 2015 .

Before filing Tr OP Whether I have to get copy signed from defendent side or send Batta for all respondent or RPAD ?