Assuming her residential status is Resident
Tax calculation depends on the following factors
1) Sale Consideration
2) Cost of acquisition
3) Date of acquisition
4) Date of transfer
Either you can invest in bonds within 6 months or purchase/construct new residential house property within 2/3 years from the date of transfer of the land.
Long term capital gain is taxable @20.8%, Short term capital gain is taxable at slab rate. Benefit of exemption limit is available.
No issues in transfer to bank A/c
For detailed discussion you may opt for phone consultation