Hi
you need to draft the following docs:
1. Share Purchase Agreement (although optional but highly recommneded)
2. executing share transfer deeds
3. endorsement on the back of share certificates
4. obtaining resolution for appointing nominee for holding one share on behalf of holding comoany and relevant declaration u/s. 187C
5. filing form 22B with the ROC
6. relevant entries in the register of members, share transfer reigister
7. relevant entries in the registers of holding co. i.e. the register maintined u/s. 49.
8. relevant accounting entries in the books of holding co. (for paying consideration and investment) and in the books of transferor
Thanks
Anjali