All India Radio via Medium Wave

Here is a few radio stations that I could identify by listening to their station identification announcements plus other ways just like by its languages like South Indian Languages like Telegu, Tamil etc...(though I don't know them but could identify they are South Indian Languages ...etc) & monitoring during different period of time........
Date:February 19,2009
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All India Radio Indore A
Time:1343UTC
648kHz
Brief Program Details:
Local Regional News in Hindi in Female voice
SINPO:34433
Slight QRM from a co-channel Nepalese radio station
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All India Radio Raipur
Time:1346UTC
981kHz
Brief Program Details:
Regional News in Hindi by female voice
SINPO:34543
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All India Radio Visakhapatnam
Time:1305UTC
927kHz
Brief Program Details:
South Indian Music
Fair reception overall
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All India Radio Portblair
Time:1306UTC
648kHz
Brief Program Details:
Hindi film song....
poor reception
& checked AIR Portblair shortwave frequency i.e 4760kHz...same song heard...
73 & 55
Gautam Kumar Sharma(GK)
Abhayapuri,Assam,India
Geographical Location of Reception Place(Abhayapuri):
Longitude:26º18´20´´North
Latitude:90º37´50´´East
Receiver:Grundig YB400 (Digital Readout)
Antenna:Long Wire