Nepal

You should explore on various nirf ranked universities in India which give good scholarship. You can appear for exam like IIT JEE. On basis of this you can get scholarships in B.Tech. Also you can get subsidized education loan in addition to scholarship. You also try scholarship given by various foundation ( for e. g Sitaram Jindal scholarship) in India. You can finance your B.Tech by 1) various scholarship and 2) education loan ( if the college brand value worth it). Few of the engineering college giving good scholarship are -
-LPU ( various type of scholarship)
- Chandigarh University
- Thapar Engineering Institute
- VIT ( IGNITE scholarship) ( full scholarship in some cases)
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Various scholarship by foundation- NTPC
- ONGC
- LIC Golden Jubilee Scholarship
- Tata scholarship
- L & T scholarship
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- various other scholarship. There are also many international fellowship and scholarship like Fluberight
Also there are many foundation and government based scholarship in Nepal. Various nirf ranked private universities in India give good amounts of scholarship for B.Tech. Scholarship depend on merit or mean. Few good but affordable engineering college in India- Engineering dept. Of various central universities
There are also few good but less known affordable engineering college like HBTU Kanpur, Jadavpur University, Jamia, TEERI University, GBPIT Pantnagar, VIC DU, DTU, government. college of IPU, YMCA University Faridabad, NSIT Delhi, MMUT Gorakhpur, IET Lucknow, BIET Jhansi, These are college with moderate brand value and moderate fees. You can make your B.Tech affordable by good entrance score ( IIT JEE, Institutional entrance, UPSEE ). Best wishes