Best correspondence course for Bank promotion

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1

I donno, whether asking this question here is right or wrong. Currently I am working as scale 2 officer ( MMGS II cadre ). Kindly suggest me a good institute (correspondence course) for scale 3 promotion. I heard that apart from Bhalla, some …

2

I donno, whether asking this question here is right or wrong. Currently I am working as scale 2 officer ( MMGS II cadre ). Kindly suggest me a good institute (correspondence course) for scale 3 promotion.

I heard that apart from Bhalla, some Tarang's institute is good. Kindly suggest
about that...

Thanks.